This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
American Psychiatric Association. Diagnostic and statistical manual of mental disorders: DSM-5. Washington, D.C.: American Psychiatric Association; 2013.American Psychiatric Association. Diagnostic and statistical manual of mental disorders: DSM-5. Washington, D.C.: American Psychiatric Association; 2013.10.1176/appi.books.9780890425596Search in Google Scholar
World Health Organization. International classification of diseases and related health problems - 10th revision - 2nd edition. Geneva: World Health Organization; 2004.World Health Organization. International classification of diseases and related health problems - 10th revision - 2nd edition. Geneva: World Health Organization; 2004.Search in Google Scholar
Jones EJ, Gliga T, Bedford R, Charman T, Johnson MH. Developmental pathways to autism: a review of prospective studies of infants at risk. Neurosci Biobehav Rev 2014;39C:1-33.JonesEJGligaTBedfordRCharmanTJohnsonMH. Developmental pathways to autism: a review of prospective studies of infants at risk. Neurosci Biobehav Rev2014;39C:1-33.10.1016/j.neubiorev.2013.12.001396929724361967Search in Google Scholar
Zwaigenbaum L, Bryson S, Garon N. Early identification of autism spectrum disorders. Behav Brain Res 2013;251:133-146.ZwaigenbaumLBrysonSGaronN. Early identification of autism spectrum disorders. Behav Brain Res2013;251:133-146.10.1016/j.bbr.2013.04.00423588272Search in Google Scholar
Rogers SJ, Vismara L, Wagner AL, McCormick C, Young G, Ozonoff S. Autism treatment in the first year of life: a pilot study of infant start, a parent-implemented intervention for symptomatic infants. J Autism Dev Disord 2014: DOI 10.1007/s10803-014-2202-yRogersSJVismaraLWagnerALMcCormickCYoungGOzonoffS. Autism treatment in the first year of life: a pilot study of infant start, a parent-implemented intervention for symptomatic infants. J Autism Dev Disord2014: DOI 10.1007/s10803-014-2202-y10.1007/s10803-014-2202-y495109325212413Search in Google Scholar
Wetherby AM, Guthrie W, Woods J, Schatschneider C, et al. Parent-implemented social intervention for toddlers with autism: An RCT. Pediatrics 2014;134(6): DOI 10.1542/peds.2014-0757WetherbyAMGuthrieWWoodsJSchatschneiderCParent-implemented social intervention for toddlers with autism: An RCT. Pediatrics2014;134(6): DOI 10.1542/peds.2014-075710.1542/peds.2014-0757424306625367544Search in Google Scholar
Koegel LK, Singh AK, Koegel RL, Hollingsworth JR, Bradshaw J. Assessing and Improving Early Social Engagement in Infants. J Posit Behav Interv 2013. DOI: 10.1177/1098300713482977KoegelLKSinghAKKoegelRLHollingsworthJRBradshawJ. Assessing and Improving Early Social Engagement in Infants. J Posit Behav Interv2013. DOI: 10.1177/109830071348297710.1177/1098300713482977419338325313271Search in Google Scholar
Stenberg N, Bresnahan M, Gunnes N, et al. Identifying children with autism spectrum disorder at 18 months in a general population sample. Paediatr Perinat Epidemiol 2014;28(3):255-262.StenbergNBresnahanMGunnesNIdentifying children with autism spectrum disorder at 18 months in a general population sample. Paediatr Perinat Epidemiol2014;28(3):255-262.10.1111/ppe.12114397670024547686Search in Google Scholar
Samango-Sprouse CA, Stapleton EJ, Aliabadi F, et al. Identification of infants at risk for autism spectrum disorder and developmental language delay prior to 12 months. Autism 2014;19(3):327-337.Samango-SprouseCAStapletonEJAliabadiFIdentification of infants at risk for autism spectrum disorder and developmental language delay prior to 12 months. Autism2014;19(3):327-337.10.1177/136236131452132924550549Search in Google Scholar
Koterba EA, Leezenbaum NB, Iverson JM. Object exploration at 6 and 9 months in infants with and without risk for autism. Autism 2014;18(2):97-105.KoterbaEALeezenbaumNBIversonJM. Object exploration at 6 and 9 months in infants with and without risk for autism. Autism2014;18(2):97-105.10.1177/1362361312464826377352423175749Search in Google Scholar
Ozonoff S, Young GS, Landa RJ, et al. Diagnostic stability in young children at risk for autism spectrum disorder: a baby siblings research consortium study. J Child Psychol Psychiatry 2015;56(9):988-998.OzonoffSYoungGSLandaRJDiagnostic stability in young children at risk for autism spectrum disorder: a baby siblings research consortium study. J Child Psychol Psychiatry2015;56(9):988-998.10.1111/jcpp.12421453264625921776Search in Google Scholar
Mazurek MO, Handen BL, Wodka EL, Nowinski L, Butter E, Engelhardt CR. Age at first autism spectrum disorder diagnosis: the role of birth cohort, demographic factors, and clinical features. J Dev Behav Pediatr 2014;35(9):561-569.MazurekMOHandenBLWodkaELNowinskiLButterEEngelhardtCR. Age at first autism spectrum disorder diagnosis: the role of birth cohort, demographic factors, and clinical features. J Dev Behav Pediatr2014;35(9):561-569.10.1097/DBP.000000000000009725211371Search in Google Scholar
Barbaro J, Dissanayake C. Autism spectrum disorders in infancy and toddlerhood: a review of the evidence on early signs, early identification tools, and early diagnosis. J Dev Behav Pediatr 2009;30(5):447-459.BarbaroJDissanayakeC. Autism spectrum disorders in infancy and toddlerhood: a review of the evidence on early signs, early identification tools, and early diagnosis. J Dev Behav Pediatr2009;30(5):447-459.10.1097/DBP.0b013e3181ba0f9f19823139Search in Google Scholar
Shattuck PT, Durkin M, Maenner M, et al. Timing of identification among children with an autism spectrum disorder: findings from a population-based surveillance study. J Am Acad Child Adolesc Psychiatry 2009;48(5):474-483.ShattuckPTDurkinMMaennerMTiming of identification among children with an autism spectrum disorder: findings from a population-based surveillance study. J Am Acad Child Adolesc Psychiatry2009;48(5):474-483.10.1097/CHI.0b013e31819b3848318898519318992Search in Google Scholar
Daniels AM, Halladay AK, Shih A, Elder LM, Dawson G. Approaches to enhancing the early detection of autism spectrum disorders: a systematic review of the literature. J Am Acad Child Adolesc Psychiatry 2014;53(2):141-152.DanielsAMHalladayAKShihAElderLMDawsonG. Approaches to enhancing the early detection of autism spectrum disorders: a systematic review of the literature. J Am Acad Child Adolesc Psychiatry2014;53(2):141-152.10.1016/j.jaac.2013.11.00224472250Search in Google Scholar
Lord C, Petkova E, Hus V, et al. A multisite study of the clinical diagnosis of different autism spectrum disorders. Arch Gen Psychiatry 2012;69(3):306-313.LordCPetkovaEHusVA multisite study of the clinical diagnosis of different autism spectrum disorders. Arch Gen Psychiatry2012;69(3):306-313.10.1001/archgenpsychiatry.2011.148362611222065253Search in Google Scholar
Bickel J, Bridgemohan C, Sideridis G, Huntington N. Child and family characteristics associated with age of diagnosis of an autism spectrum disorder in a tertiary care setting. J Dev Behav Pediatr 2015;36(1):1-7.BickelJBridgemohanCSideridisGHuntingtonN. Child and family characteristics associated with age of diagnosis of an autism spectrum disorder in a tertiary care setting. J Dev Behav Pediatr2015;36(1):1-7.10.1097/DBP.000000000000011725539088Search in Google Scholar
Daniels AM, Mandell DS. Explaining differences in age at autism spectrum disorder diagnosis: a critical review. Autism 2014;18(5):583-597.DanielsAMMandellDS. Explaining differences in age at autism spectrum disorder diagnosis: a critical review. Autism2014;18(5):583-597.10.1177/1362361313480277477507723787411Search in Google Scholar
Wiggins LD, Reynolds A, Rice CE, et al. Using standardized diagnostic instruments to classify children with autism in the study to explore early development. J Autism Dev Disord 2015;45(5):1271-1280.WigginsLDReynoldsARiceCEUsing standardized diagnostic instruments to classify children with autism in the study to explore early development. J Autism Dev Disord2015;45(5):1271-1280.10.1007/s10803-014-2287-3448621325348175Search in Google Scholar
Mishaal RA, Ben-Itzchak E, Zachor DA. Age of autism spectrum disorder diagnosis is associated with child’s variables and parental experience. Res Autism Spectr Disord 2014;8(7):873-880.MishaalRABen-ItzchakEZachorDA. Age of autism spectrum disorder diagnosis is associated with child’s variables and parental experience. Res Autism Spectr Disord2014;8(7):873-880.10.1016/j.rasd.2014.04.001Search in Google Scholar
Giarelli E, Wiggins LD, Rice CE, et al. Sex differences in the evaluation and diagnosis of autism spectrum disorders among children. Disabil Health J 2010;3(2):107-116.GiarelliEWigginsLDRiceCESex differences in the evaluation and diagnosis of autism spectrum disorders among children. Disabil Health J2010;3(2):107-116.10.1016/j.dhjo.2009.07.001476725821122776Search in Google Scholar
Volkmar F, Siegel M, Woodbury-Smith M, et al. Practice parameter for the assessment and treatment of children and adolescents with autism spectrum disorder. J Am Acad Child Adolesc Psychiatry 2014;53(2):237-257.VolkmarFSiegelMWoodbury-SmithMPractice parameter for the assessment and treatment of children and adolescents with autism spectrum disorder. J Am Acad Child Adolesc Psychiatry2014;53(2):237-257.10.1016/j.jaac.2013.10.01324472258Search in Google Scholar
Regional kompetansetjeneste for autisme, ADHD, Tourettes syndrom og narkolepsi. Regional guidelins for the diagnosis of autism spectrum disorders [Regional retningslinje for diagnostisering av autismespekterforstyrrelser]. Oslo: Oslo universitetssykehus HF, 2013.Regional kompetansetjeneste for autisme, ADHD, Tourettes syndrom og narkolepsi. Regional guidelins for the diagnosis of autism spectrum disorders [Regional retningslinje for diagnostisering av autismespekterforstyrrelser]. Oslo: Oslo universitetssykehus HF, 2013.Search in Google Scholar
Isaksen J, Diseth TH, Schjølberg S, Skjeldal OH. Observed prevalence of autism spectrum disorders in two Norwegian counties. Eur J Paediatr Neurol 2012;16(6):592-598.IsaksenJDisethTHSchjølbergSSkjeldalOH. Observed prevalence of autism spectrum disorders in two Norwegian counties. Eur J Paediatr Neurol2012;16(6):592-598.10.1016/j.ejpn.2012.01.01422342070Search in Google Scholar
Surén P, Bakken IJ, Lie KK, et al. Differences across counties in the registered prevalence of autism, ADHD, epilepsy and cerebral palsy in Norway. Tidsskr Nor Laegeforen 2013;133(18):1929-1934SurénPBakkenIJLieKKDifferences across counties in the registered prevalence of autism, ADHD, epilepsy and cerebral palsy in Norway. Tidsskr Nor Laegeforen2013;133(18):1929-193410.4045/tidsskr.13.005024084968Search in Google Scholar
Chawarska K, Paul R, Klin A, Hannigen S, Dichtel LE, Volkmar F. Parental recognition of developmental problems in toddlers with autism spectrum disorders. J Autism Dev Disord 2007;37(1):62-72.ChawarskaKPaulRKlinAHannigenSDichtelLEVolkmarF. Parental recognition of developmental problems in toddlers with autism spectrum disorders. J Autism Dev Disord2007;37(1):62-72.10.1007/s10803-006-0330-817195921Search in Google Scholar
Shattuck PT, Durkin M, Maenner M, et al. Timing of identification among children with an autism spectrum disorder: findings from a population-based surveillance study. J Am Acad Child Adolesc Psychiatry 2009;48(5):474-483.ShattuckPTDurkinMMaennerMTiming of identification among children with an autism spectrum disorder: findings from a population-based surveillance study. J Am Acad Child Adolesc Psychiatry2009;48(5):474-483.10.1097/CHI.0b013e31819b3848318898519318992Search in Google Scholar
Crais ER, Watson LR. Challenges and opportunities in early identification and intervention for children at-risk for autism spectrum disorders. Int J Speech Lang Pathol 2014;16(1):23-29.CraisERWatsonLR. Challenges and opportunities in early identification and intervention for children at-risk for autism spectrum disorders. Int J Speech Lang Pathol2014;16(1):23-29.10.3109/17549507.2013.86286024328367Search in Google Scholar
Chakrabarti S, Fombonne E. Pervasive developmental disorders in preschool children. JAMA 2001;285(24):3093-3099.ChakrabartiSFombonneE. Pervasive developmental disorders in preschool children. JAMA2001;285(24):3093-3099.10.1001/jama.285.24.309311427137Search in Google Scholar
Magnusson P, Sæmundsen E. Prevalence of autism in Iceland. J Autism Devel Disord 2001;31(2);153-163.MagnussonPSæmundsenE. Prevalence of autism in Iceland. J Autism Devel Disord2001;31(2);153-163.10.1023/A:1010795014548Search in Google Scholar
Mandell DS, Listerud J, Levy SE, Pinto-Martin JA. Race differences in the age at diagnosis among medicaid-eligible children with autism. J Am Acad Child Adolesc Psychiatry 2002;41(12):1447-1453MandellDSListerudJLevySEPinto-MartinJA. Race differences in the age at diagnosis among medicaid-eligible children with autism. J Am Acad Child Adolesc Psychiatry2002;41(12):1447-145310.1097/00004583-200212000-0001612447031Search in Google Scholar
Lingam R. Prevalence of autism and parentally reported triggers in a north east London population. Arch Dis Child 2003;88(8):666-670.LingamR. Prevalence of autism and parentally reported triggers in a north east London population. Arch Dis Child2003;88(8):666-670.10.1136/adc.88.8.666171960412876158Search in Google Scholar
Yeargin-Allsopp M, Rice C, Karapurkar T, Doernberg N, Boyle C, Murphy C. Prevalence of autism in a US metropolitan area. JAMA 2003;289(1).Yeargin-AllsoppMRiceCKarapurkarTDoernbergNBoyleCMurphyC. Prevalence of autism in a US metropolitan area. JAMA2003;289(1).10.1001/jama.289.1.49Search in Google Scholar
Daley TC. From symptom recognition to diagnosis: children with autism in urban India. Soc Sci Med 2004;58(7):1323-1335.DaleyTC. From symptom recognition to diagnosis: children with autism in urban India. Soc Sci Med2004;58(7):1323-1335.10.1016/S0277-9536(03)00330-7Search in Google Scholar
Keen D, Ward S. Autistic spectrum disorder: a child population profile. Autism 2004;8(1):39-48.KeenDWardS. Autistic spectrum disorder: a child population profile. Autism2004;8(1):39-48.10.1177/136236130404063715070546Search in Google Scholar
Chakrabarti S, Fombonne E. Pervasive developmental disorders in preschool children: confirmation of high prevalence. Am J Psychiatry 2005;162(6):1133-1141.ChakrabartiSFombonneE. Pervasive developmental disorders in preschool children: confirmation of high prevalence. Am J Psychiatry2005;162(6):1133-1141.10.1176/appi.ajp.162.6.113315930062Search in Google Scholar
Juneja M, Mukherjee SB, Sharma S. A descriptive hospital based study of children with autism. Indian Pediatr 2004;42:453-458JunejaMMukherjeeSBSharmaS. A descriptive hospital based study of children with autism. Indian Pediatr2004;42:453-458Search in Google Scholar
Mandell DS, Novak MM, Zubritsky CD. Factors associated with age of diagnosis among children with autism spectrum disorders. Pediatrics 2005;116(6):1480-1486.MandellDSNovakMMZubritskyCD. Factors associated with age of diagnosis among children with autism spectrum disorders. Pediatrics2005;116(6):1480-1486.10.1542/peds.2005-0185286129416322174Search in Google Scholar
Goin-Kochel RP, Mackintosh VH, Myers BJ. How many doctors does it take to make an autism spectrum diagnosis? Autism 2006;10(5):439-451.Goin-KochelRPMackintoshVHMyersBJ. How many doctors does it take to make an autism spectrum diagnosis? Autism2006;10(5):439-451.10.1177/136236130606660116940311Search in Google Scholar
Wiggins LD, Baio JON, Rice C. Examination of the time between first evaluation and first autism spectrum diagnosis in a population-based sample. J Dev Behav Pediatr 2006;27(Suppl 2):S79-S87.WigginsLDBaioJONRiceC. Examination of the time between first evaluation and first autism spectrum diagnosis in a population-based sample. J Dev Behav Pediatr2006;27(Suppl 2):S79-S87.10.1097/00004703-200604002-0000516685189Search in Google Scholar
Latif AH, Williams WR. Diagnostic trends in autistic spectrum disorders in the South Wales valleys. Autism 2007;11(6):479-487.LatifAHWilliamsWR. Diagnostic trends in autistic spectrum disorders in the South Wales valleys. Autism2007;11(6):479-487.10.1177/136236130708325617947285Search in Google Scholar
Oslejskova H, Kontrova I, Foralova R, Dusek L, Nemethova D. The course of diagnosis in autistic patients: the delay between recognition of the first symptoms by parents and correct diagnosis. Neuro Endocrinol Lett 2007;28(6):895-900.OslejskovaHKontrovaIForalovaRDusekLNemethovaD. The course of diagnosis in autistic patients: the delay between recognition of the first symptoms by parents and correct diagnosis. Neuro Endocrinol Lett2007;28(6):895-900.Search in Google Scholar
Chen CY, Liu CY, Su WC, Huang SL, Lin KM. Urbanicity-related variation in help-seeking and services utilization among preschool-age children with autism in Taiwan. J Autism Dev Disord 2008;38(3):489-497.ChenCYLiuCYSuWCHuangSLLinKM. Urbanicity-related variation in help-seeking and services utilization among preschool-age children with autism in Taiwan. J Autism Dev Disord2008;38(3):489-497.10.1007/s10803-007-0416-y17665297Search in Google Scholar
Parner ET, Schendel DE, Thorsen P. Autism prevalence trends over time in Denmark: changes in prevalence and age at diagnosis. Arch Pediatr Adolesc Med 2008;162(12):1150-1156.ParnerETSchendelDEThorsenP. Autism prevalence trends over time in Denmark: changes in prevalence and age at diagnosis. Arch Pediatr Adolesc Med2008;162(12):1150-1156.10.1001/archpedi.162.12.115019047542Search in Google Scholar
Williams E, Thomas K, Sidebotham H, Emond A. Prevalence and characteristics of autistic spectrum disorders in the ALSPAC cohort. Dev Med Child Neurol 2008;50(9):672-677.WilliamsEThomasKSidebothamHEmondA. Prevalence and characteristics of autistic spectrum disorders in the ALSPAC cohort. Dev Med Child Neurol2008;50(9):672-677.10.1111/j.1469-8749.2008.03042.x18754916Search in Google Scholar
Hertz-Picciotto I, Delwiche L. The rise in autism and the role of age at diagnosis. Epidemiology 2009;20(1):84-90.Hertz-PicciottoIDelwicheL. The rise in autism and the role of age at diagnosis. Epidemiology2009;20(1):84-90.10.1097/EDE.0b013e3181902d15411360019234401Search in Google Scholar
Nassar N, Dixon G, Bourke J, et al. Autism spectrum disorders in young children: effect of changes in diagnostic practices. Int J Epidemiol 2009;38(5):1245-1254.NassarNDixonGBourkeJAutism spectrum disorders in young children: effect of changes in diagnostic practices. Int J Epidemiol2009;38(5):1245-1254.10.1093/ije/dyp26019737795Search in Google Scholar
Ouellette-Kuntz H, Coo H, Lam M, et al. Age at diagnosis of autism spectrum disorders in four regions of Canada. Can J Public Health 2009;100(3):268-273.Ouellette-KuntzHCooHLamMAge at diagnosis of autism spectrum disorders in four regions of Canada. Can J Public Health2009;100(3):268-273.10.1007/BF03403945Search in Google Scholar
Perryman TY. Investigating disparities in the age of diagnosis of autism spectrum disorders. The University of North Carolina at Chapel Hill; 2009.PerrymanTY. Investigating disparities in the age of diagnosis of autism spectrum disorders. The University of North Carolina at Chapel Hill; 2009.Search in Google Scholar
Adelman CR. Factors that influence age of identification of children with autism and pervasive developmental disorder NOS. University of Houston; 2010.AdelmanCR. Factors that influence age of identification of children with autism and pervasive developmental disorder NOS. University of Houston; 2010.Search in Google Scholar
Mandell DS, Morales KH, Xie M, Lawer LJ, Stahmer AC, Marcus SC. Age of Diagnosis Among Medicaid-Enrolled Children With Autism, 2001–2004. Psychiatr Serv 2010;61(8):822-829MandellDSMoralesKHXieMLawerLJStahmerACMarcusSC. Age of Diagnosis Among Medicaid-Enrolled Children With Autism, 2001–2004. Psychiatr Serv2010;61(8):822-82910.1176/ps.2010.61.8.822296601220675842Search in Google Scholar
Noterdaeme M, Hutzelmeyer-Nickels A. Early symptoms and recognition of pervasive developmental disorders in Germany. Autism 2010;14(6):575-588.NoterdaemeMHutzelmeyer-NickelsA. Early symptoms and recognition of pervasive developmental disorders in Germany. Autism2010;14(6):575-588.10.1177/136236131037195120923894Search in Google Scholar
Chamak B, Bonniau B, Oudaya L, Ehrenberg A. The autism diagnostic experiences of French parents. Autism 2011;15(1):83-97.ChamakBBonniauBOudayaLEhrenbergA. The autism diagnostic experiences of French parents. Autism2011;15(1):83-97.10.1177/136236130935475620876167Search in Google Scholar
Fountain C, King MD, Bearman PS. Age of diagnosis for autism: individual and community factors across 10 birth cohorts. J Epidemiol Community Health 2011;65(6):503-510.FountainCKingMDBearmanPS. Age of diagnosis for autism: individual and community factors across 10 birth cohorts. J Epidemiol Community Health2011;65(6):503-510.10.1136/jech.2009.104588303970720974836Search in Google Scholar
Frenette P, Dodds L, MacPherson K, Flowerdew G, Hennen B, Bryson S. Factors affecting the age at diagnosis of autism spectrum disorders in Nova Scotia, Canada. Autism 2013;17(2):184-195.FrenettePDoddsLMacPhersonKFlowerdewGHennenBBrysonS. Factors affecting the age at diagnosis of autism spectrum disorders in Nova Scotia, Canada. Autism2013;17(2):184-195.10.1177/136236131141339921788254Search in Google Scholar
Kalkbrenner AE, Daniels JL, Emch M, Morrissey J, Poole C, Chen JC. Geographic access to health services and diagnosis with an autism spectrum disorder. Ann Epidemiol 2011;21(4):304-310.KalkbrennerAEDanielsJLEmchMMorrisseyJPooleCChenJC. Geographic access to health services and diagnosis with an autism spectrum disorder. Ann Epidemiol2011;21(4):304-310.10.1016/j.annepidem.2010.11.010347646621376278Search in Google Scholar
Rosenberg RE, Landa R, Law JK, Stuart EA, Law PA. Factors affecting age at initial autism spectrum disorder diagnosis in a national survey. Autism Res Treat 2011: DOI 10.1155/2011/874619RosenbergRELandaRLawJKStuartEALawPA. Factors affecting age at initial autism spectrum disorder diagnosis in a national survey. Autism Res Treat2011: DOI 10.1155/2011/87461910.1155/2011/874619342037922937257Search in Google Scholar
Coo H, Outelle-Kuntz HMJ, Lam M, et al. Correlates of age at diagnosis of autism spectrum disorders in six Canadian regions. Chronic Dis Inj Canada 2012;32(2):90-100.CooHOutelle-KuntzHMJLamMCorrelates of age at diagnosis of autism spectrum disorders in six Canadian regions. Chronic Dis Inj Canada2012;32(2):90-100.10.24095/hpcdp.32.2.05Search in Google Scholar
Valicenti-McDermott M, Hottinger K, Seijo R, Shulman L. Age at diagnosis of autism spectrum disorders. J Pediatr 2012;161(3):554–556.Valicenti-McDermottMHottingerKSeijoRShulmanL. Age at diagnosis of autism spectrum disorders. J Pediatr2012;161(3):554–556.10.1016/j.jpeds.2012.05.01222683037Search in Google Scholar
Mazurek MO, Handen BL, Wodka EL, Nowinski L, Butter E, Engelhardt CR. Age at first autism spectrum disorder diagnosis. J Dev Behav Pediatr 2014;35(9):561–569.MazurekMOHandenBLWodkaELNowinskiLButterEEngelhardtCR. Age at first autism spectrum disorder diagnosis. J Dev Behav Pediatr2014;35(9):561–569.10.1097/DBP.000000000000009725211371Search in Google Scholar
Jo H, Schieve LA, Rice CE, et al. Age at autism spectrum disorder (ASD) diagnosis by race, ethnicity, and primary household language among children with special health care needs, United States, 2009–2010. Matern Child Health J 2015:19(8):1687-1697.JoHSchieveLARiceCEAge at autism spectrum disorder (ASD) diagnosis by race, ethnicity, and primary household language among children with special health care needs, United States, 2009–2010. Matern Child Health J2015:19(8):1687-1697.10.1007/s10995-015-1683-4450084525701197Search in Google Scholar
