A Cross-Sectional Study of Electronic Cigarette Use Among Chinese Adult Populations in Four Cities of China. Part II. Puffing Topography

1 Hajek, P., J.F. Etter, N. Benowitz, T. Eissenberg, and H. McRobbie: Electronic Cigarettes: Review of Use, Content, Safety, Effects on Smokers and Potential for Harm and Benefit; Addiction 109 (2014) 1801–1810. DOI: 10.1111/add.12659 HajekP. EtterJ.F. BenowitzN. EissenbergT. McRobbieH. Electronic Cigarettes: Review of Use, Content, Safety, Effects on Smokers and Potential for Harm and Benefit Addiction 109 2014 1801 1810 10.1111/add.12659448778525078252 Open DOISearch in Google Scholar

2 Corey, C., B.G. Wang, S.E. Johnson, B. Apelberg, C. Husten, B.A. King, T.A. McAfee, R. Bunnell, R.A. Arrazola, and S.R. Dube: Electronic Cigarette Use Among Middle and High School Students - United States, 2011–2012. Morb. Mortal. Wkly. Rep. 62 (2013) 729–730. CoreyC. WangB.G. JohnsonS.E. ApelbergB. HustenC. KingB.A. McAfeeT.A. BunnellR. ArrazolaR.A. DubeS.R. Electronic Cigarette Use Among Middle and High School Students - United States, 2011–2012 Morb. Mortal. Wkly. Rep. 62 2013 729 730 Search in Google Scholar

3 King, B.A., S. Alam, G. Promoff, R.A. Arrazola, and S.R. Dube: Awareness and Ever-Use of Electronic Cigarettes Among U.S. Adults, 2010–2011; Nicotine Tob. Res.15 (2013) 1623–1627. DOI: 10.1093/ntr/ntt013 KingB.A. AlamS. PromoffG. ArrazolaR.A. DubeS.R. Awareness and Ever-Use of Electronic Cigarettes Among U.S. Adults, 2010–2011 Nicotine Tob. Res. 15 2013 1623 1627 10.1093/ntr/ntt013457056123449421 Open DOISearch in Google Scholar

4 Zhu, S.H., Y.L. Zhuang, S. Wong, S.E. Cummins, and G.J. Tedeschi: E-Cigarette Use and Associated Changes in Population Smoking Cessation: Evidence from U.S. Current Population Surveys; BMJ 358 (2017) j3262. DOI: 10.1136/bmj.j3262 ZhuS.H. ZhuangY.L. WongS. CumminsS.E. TedeschiG.J. E-Cigarette Use and Associated Changes in Population Smoking Cessation: Evidence from U.S. Current Population Surveys BMJ 358 2017 j3262 10.1136/bmj.j3262 552604628747333 Open DOISearch in Google Scholar

5 Levy, D.T., Z. Yuan, Y. Luo, and D.B. Abrams: The Relationship of E-Cigarette Use to Cigarette Quit Attempts and Cessation: Insights From a Large, Nationally Representative U.S. Survey; Nicotine Tob. Res. 20 (2018) 931–939. DOI: 10.1093/ntr/ntx166 LevyD.T. YuanZ. LuoY. AbramsD.B. The Relationship of E-Cigarette Use to Cigarette Quit Attempts and Cessation: Insights From a Large, Nationally Representative U.S. Survey Nicotine Tob. Res. 20 2018 931 939 10.1093/ntr/ntx166 603710629059341 Open DOISearch in Google Scholar

6 Tayyarah, R. and G.A. Long: Comparison of Select Analytes in Aerosol From E-Cigarettes With Smoke From Conventional Cigarettes and With Ambient Air; Regul. Toxicol. Pharmacol. 70 (2014) 704–710. DOI: 10.1016/j.yrtph.2014.10.010 TayyarahR. LongG.A. Comparison of Select Analytes in Aerosol From E-Cigarettes With Smoke From Conventional Cigarettes and With Ambient Air Regul. Toxicol. Pharmacol. 70 2014 704 710 10.1016/j.yrtph.2014.10.010 25444997 Open DOISearch in Google Scholar

7 Goniewicz, M.L., J. Knysak, M. Gawron, L. Kosmider, A. Sobczak, J. Kurek, A. Prokopowicz, M. Jablonska-Czapla, C. Rosik-Dulewska, C. Havel, P. Jacob III, and N. Benowitz: Levels of Selected Carcinogens and Toxicants in Vapour From Electronic Cigarettes; Tob. Control 23 (2014) 133–139. DOI: 10.1136/tobaccocontrol-2012-050859 GoniewiczM.L. KnysakJ. GawronM. KosmiderL. SobczakA. KurekJ. ProkopowiczA. Jablonska-CzaplaM. Rosik-DulewskaC. HavelC. JacobP.III BenowitzN. Levels of Selected Carcinogens and Toxicants in Vapour From Electronic Cigarettes Tob. Control 23 2014 133 139 10.1136/tobaccocontrol-2012-050859 415447323467656 Open DOISearch in Google Scholar

8 Gualano, M.R, S. Passi, F. Bert, G. La Torre, G. Scaioli, and R. Siliquini: Electronic Cigarettes: Assessing the Efficacy and the Adverse Effects Through a Systematic Review of Published Studies; J. Public Health. 37 (2015) 488–497. DOI: 10.1093/pubmed/fdu055 GualanoM.R PassiS. BertF. La TorreG. ScaioliG. SiliquiniR. Electronic Cigarettes: Assessing the Efficacy and the Adverse Effects Through a Systematic Review of Published Studies J. Public Health. 37 2015 488 497 10.1093/pubmed/fdu055 25108741 Open DOISearch in Google Scholar

9 International Organization for Standardization (ISO): ISO 20768:2018 Vapour Products – Routine Analytical Vaping Machine – Definitions and Standard Conditions; ISO, Geneva, Switzerland, 2018. Available at: https://www.iso.org/standard/69019.html International Organization for Standardization (ISO) ISO 20768:2018 Vapour Products – Routine Analytical Vaping Machine – Definitions and Standard Conditions ISO Geneva, Switzerland 2018 Available at: https://www.iso.org/standard/69019.html Search in Google Scholar

10 Hua, M., H. Yip, and P. Talbot: Mining Data on Usage of Electronic Nicotine Delivery Systems (ENDS) From YouTube Videos; Tob. Control 22 (2013) 103–106. DOI: 10.1136/tobaccocontrol-2011-050226 HuaM. YipH. TalbotP. Mining Data on Usage of Electronic Nicotine Delivery Systems (ENDS) From YouTube Videos Tob. Control 22 2013 103 106 10.1136/tobaccocontrol-2011-050226 22116832 Open DOISearch in Google Scholar

11 Farsalinos, K.E, G. Romagna, D.S. Kyrzopoulos, D. Tsiapras, and V. Voudris: Evaluation of Electronic Cigarette Use (Vaping) Topography and Estimation of Liquid Consumption: Implications for Research Protocol Standards Definition and for Public Health Authorities’ Regulation; Int. J. Environ. Res. Public Health 10 (2013) 2500–2514. DOI: 10.3390/ijerph10062500 FarsalinosK.E RomagnaG. KyrzopoulosD.S. TsiaprasD. VoudrisV. Evaluation of Electronic Cigarette Use (Vaping) Topography and Estimation of Liquid Consumption: Implications for Research Protocol Standards Definition and for Public Health Authorities’ Regulation Int. J. Environ. Res. Public Health 10 2013 2500 2514 10.3390/ijerph10062500 371774923778060 Open DOISearch in Google Scholar

12 Strasser, A.A., V. Souprountchouk, A. Kaufmann, S. Blazekovic, F. Leone, N.L. Benowitz, and R.A Schnoll: Nicotine Replacement, Topography, and Smoking Phenotypes of E-Cigarettes; Tob. Regul. Sci. 2 (2016) 352–362. DOI: 10.18001/TRS.2.4.7 StrasserA.A. SouprountchoukV. KaufmannA. BlazekovicS. LeoneF. BenowitzN.L. SchnollR.A Nicotine Replacement, Topography, and Smoking Phenotypes of E-Cigarettes Tob. Regul. Sci. 2 2016 352 362 10.18001/TRS.2.4.7 514262627942543 Open DOISearch in Google Scholar

13 St.Helen, G., K.C. Ross, D.A. Dempsey, C.M. Havel, P. Jacob III, and N.L. Benowitz: Nicotine Delivery and Vaping Behavior During ad Libitum E-Cigarette Access; Tob. Regul. Sci. 2 (2016) 363–376. DOI: 10.18001/TRS.2.4.8. St.HelenG. RossK.C. DempseyD.A. HavelC.M. JacobP.III BenowitzN.L. Nicotine Delivery and Vaping Behavior During ad Libitum E-Cigarette Access Tob. Regul. Sci. 2 2016 363 376 10.18001/TRS.2.4.8 538182128393086 Open DOISearch in Google Scholar

14 Farsalinos, K.E., A. Spyrou, C. Stefopoulos, K. Tsimopoulou, P. Kourkoveli, D. Tsiapras, S. Kyrzopoulos, K. Poulas, and V. Voudris: Nicotine Absorption From Electronic Cigarette Use: Comparison Between Experienced Consumers (Vapers) and Naïve Users (Smokers); Sci. Rep. 5 (2015) 11269. DOI:10.1038/srep11269 FarsalinosK.E. SpyrouA. StefopoulosC. TsimopoulouK. KourkoveliP. TsiaprasD. KyrzopoulosS. PoulasK. VoudrisV. Nicotine Absorption From Electronic Cigarette Use: Comparison Between Experienced Consumers (Vapers) and Naïve Users (Smokers) Sci. Rep. 5 2015 11269 10.1038/srep11269 446996626082330 Open DOISearch in Google Scholar

15 Dawkins, L.E, C.F. Kimber, M. Doig, C. Feyerabend, and O. Corcoran: Self-Titration by Experienced E-Cigarette Users: Blood Nicotine Delivery and Subjective Effects; Psychopharmacology 233 (2016) 2933–2941. DOI: 10.1007/s00213-016-4338-2 DawkinsL.E KimberC.F. DoigM. FeyerabendC. CorcoranO. Self-Titration by Experienced E-Cigarette Users: Blood Nicotine Delivery and Subjective Effects Psychopharmacology 233 2016 2933 2941 10.1007/s00213-016-4338-2 27235016 Open DOISearch in Google Scholar

16 Dautzenberg, B. and D. Bricard: Real-Time Characterization of E-Cigarettes Use: The 1 Million Puffs Study; J. Addict. Res. Ther. 6 (2015) 229–234. DOI: 10.4172/2155-6105.1000229 DautzenbergB. BricardD. Real-Time Characterization of E-Cigarettes Use: The 1 Million Puffs Study J. Addict. Res. Ther. 6 2015 229 234 10.4172/2155-6105.1000229 Open DOISearch in Google Scholar

17 Behar, R.Z., M. Hua, and P. Talbot: Puffing Topography and Nicotine Intake of Electronic Cigarette Users; PLoS ONE 10 (2015) e0117222. DOI: 10.1371/journal.pone.0117222 BeharR.Z. HuaM. TalbotP. Puffing Topography and Nicotine Intake of Electronic Cigarette Users PLoS ONE 10 2015 e0117222 10.1371/journal.pone.0117222 432184125664463 Open DOISearch in Google Scholar

18 Norton, K.J., K.M. June, and R.J. O’Connor: Initial Puffing Behaviors and Subjective Responses Differ Between an Electronic Nicotine Delivery System and Traditional Cigarettes; Tob. Induc. Dis. 12 (2014) 17. DOI: 10.1186/1617-9625-12-17 NortonK.J. JuneK.M. O’ConnorR.J. Initial Puffing Behaviors and Subjective Responses Differ Between an Electronic Nicotine Delivery System and Traditional Cigarettes Tob. Induc. Dis. 12 2014 17 10.1186/1617-9625-12-17 419945825324711 Open DOISearch in Google Scholar

19 Lee, Y.H., M. Gawron, and M,L. Goniewicz: Changes in Puffing Behavior Among Smokers who Switched From Tobacco to Electronic Cigarettes; Addict. Behav. 48 (2015) 1–4. DOI: 10.1016/j.addbeh.2015.04.003 LeeY.H. GawronM. GoniewiczM,L. Changes in Puffing Behavior Among Smokers who Switched From Tobacco to Electronic Cigarettes Addict. Behav. 48 2015 1 4 10.1016/j.addbeh.2015.04.003 445760825930009 Open DOISearch in Google Scholar

20 Goniewicz, M.L., T. Kuma, M. Gawron, J. Knysak, and L. Kosmider: Nicotine Levels in Electronic Cigarettes; Nicotine Tob. Res. 15 (2013) 158–166. DOI: 10.1093/ntr/nts103 GoniewiczM.L. KumaT. GawronM. KnysakJ. KosmiderL. Nicotine Levels in Electronic Cigarettes Nicotine Tob. Res. 15 2013 158 166 10.1093/ntr/nts103 22529223 Open DOISearch in Google Scholar

21 Cunningham, A., S. Slayford, C. Vas, J. Gee, S. Costigan, and K. Prasad: Development, Validation and Application of a Device to Measure E-Cigarette Users’ Puffing Topography; Sci. Rep. 6 (2016) 35071. DOI: 10.1038/srep35071 CunninghamA. SlayfordS. VasC. GeeJ. CostiganS. PrasadK. Development, Validation and Application of a Device to Measure E-Cigarette Users’ Puffing Topography Sci. Rep. 6 2016 35071 10.1038/srep35071 505634027721496 Open DOISearch in Google Scholar

22 Vansickel, A.R., J.S. Edmiston, Q. Liang, C. Duhon, C. Connell, D. Bennett, and M. Sarkar: Characterization of Puffing Topography of a Prototype Electronic Cigarette in Adult Exclusive Cigarette Smokers and Adult Exclusive Electronic Cigarette Users; Regul. Toxicol. Pharmacol. 98 (2018) 250–256. DOI: 10.1016/j.yrtph.2018.07.019 VansickelA.R. EdmistonJ.S. LiangQ. DuhonC. ConnellC. BennettD. SarkarM. Characterization of Puffing Topography of a Prototype Electronic Cigarette in Adult Exclusive Cigarette Smokers and Adult Exclusive Electronic Cigarette Users Regul. Toxicol. Pharmacol. 98 2018 250 256 10.1016/j.yrtph.2018.07.019 30053435 Open DOISearch in Google Scholar

23 Robinson, R.J., E.C. Hensel, P.N. Morabito, and K.A. Roundtree: Electronic Cigarette Topography in the Natural Environment; PLoS ONE 10 (2015) e0129296. DOI: 10.1371/journal.pone.0129296 RobinsonR.J. HenselE.C. MorabitoP.N. RoundtreeK.A. Electronic Cigarette Topography in the Natural Environment PLoS ONE 10 2015 e0129296 10.1371/journal.pone.0129296 Open DOISearch in Google Scholar

24 Robinson, R.J., E.C. Hensel, K.A. Roundtree, A.G. Difrancesco, J.M. Nonnemaker, and Y.O. Lee: Week Long Topography Study of Young Adults Using Electronic Cigarettes in Their Natural Environment; PLOS ONE 11 (2016) e0164038. DOI: 10.1371/journal.pone.0164038 RobinsonR.J. HenselE.C. RoundtreeK.A. DifrancescoA.G. NonnemakerJ.M. LeeY.O. Week Long Topography Study of Young Adults Using Electronic Cigarettes in Their Natural Environment PLOS ONE 11 2016 e0164038 10.1371/journal.pone.0164038 Open DOISearch in Google Scholar

25 Lopez, A.A., M.M. Hiler, E.K. Soule, C.P. Ramôa, N.V. Karaoghlanian, T. Lipato, A.B. Breland, A.L. Shihadeh, and T. Eissenberg: Effects of Electronic Cigarette Liquid Nicotine Concentration on Plasma Nicotine and Puff Topography in Tobacco Cigarette Smokers: A Preliminary Report; Nicotine Tob. Res. 18 (2016) 720–723. DOI: 10.1093/ntr/ntv182 LopezA.A. HilerM.M. SouleE.K. RamôaC.P. KaraoghlanianN.V. LipatoT. BrelandA.B. ShihadehA.L. EissenbergT. Effects of Electronic Cigarette Liquid Nicotine Concentration on Plasma Nicotine and Puff Topography in Tobacco Cigarette Smokers: A Preliminary Report Nicotine Tob. Res. 18 2016 720 723 10.1093/ntr/ntv182 Open DOISearch in Google Scholar

26 Spindle, T.R., A.B. Breland, N.V. Karaoghlanian, A.L. Shihadeh, and T. Eissenberg: Preliminary Results of an Examination of Electronic Cigarette User Puff Topography: The Effect of a Mouthpiece-Based Topography Measurement Device on Plasma Nicotine and Subjective Effects; Nicotine Tob. Res. 17 (2015) 142–149. DOI: 10.1093/ntr/ntu186 SpindleT.R. BrelandA.B. KaraoghlanianN.V. ShihadehA.L. EissenbergT. Preliminary Results of an Examination of Electronic Cigarette User Puff Topography: The Effect of a Mouthpiece-Based Topography Measurement Device on Plasma Nicotine and Subjective Effects Nicotine Tob. Res. 17 2015 142 149 10.1093/ntr/ntu186 Open DOISearch in Google Scholar

27 Spindle, T.R, MM. Hiler, A.B. Breland, N.V. Karaoghlanian, A.L. Shihadeh, and T. Eissenberg: The Influence of a Mouthpiece-Based Topography Measurement Device on Electronic Cigarette User's Plasma Nicotine Concentration, Heart Rate, and Subjective Effects Under Directed and ad Libitum Use Conditions; Nicotine Tob. Res. 19 (2017) 469–476. DOI: 10.1093/ntr/ntw174 SpindleT.R HilerMM. BrelandA.B. KaraoghlanianN.V. ShihadehA.L. EissenbergT. The Influence of a Mouthpiece-Based Topography Measurement Device on Electronic Cigarette User's Plasma Nicotine Concentration, Heart Rate, and Subjective Effects Under Directed and ad Libitum Use Conditions Nicotine Tob. Res. 19 2017 469 476 10.1093/ntr/ntw174 Open DOISearch in Google Scholar

28 Chung, S., S.S. Kim, N. Kini, H.J. Fang, D. Kalman, and D.M. Ziedonis: Smoking Topography in Korean American and White Men: Preliminary Findings; J. Immigr. Minor. Health 17 (2015) 860–866. DOI: 10.1007/s10903-013-9921-6 ChungS. KimS.S. KiniN. FangH.J. KalmanD. ZiedonisD.M. Smoking Topography in Korean American and White Men: Preliminary Findings J. Immigr. Minor. Health 17 2015 860 866 10.1007/s10903-013-9921-6 Open DOISearch in Google Scholar

29 Perkins, K.A., J.L. Karelitz, G.E. Giedgowd, and C.A. Conklin: The Reliability of Puff Topography and Subjective Responses During ad lib Smoking of a Single Cigarette; Nicotine Tob. Res. 14 (2012) 490–494. DOI: 10.1093/ntr/ntr150 PerkinsK.A. KarelitzJ.L. GiedgowdG.E. ConklinC.A. The Reliability of Puff Topography and Subjective Responses During ad lib Smoking of a Single Cigarette Nicotine Tob. Res. 14 2012 490 494 10.1093/ntr/ntr150 Open DOISearch in Google Scholar

30 June, K.M., K.J. Norton, V.W. Rees, and R.J. O’Connor: Influence of Measurement Setting and Home Smoking Policy on Smoking Topography; Addict. Behav. 37 (2012) 42–46. DOI: 10.1016/j.addbeh.2011.07.039 JuneK.M. NortonK.J. ReesV.W. O’ConnorR.J. Influence of Measurement Setting and Home Smoking Policy on Smoking Topography Addict. Behav. 37 2012 42 46 10.1016/j.addbeh.2011.07.039 Open DOISearch in Google Scholar

31 Pickworth, W.B., Z.R. Rosenberry, K.E. O’Grady, and B. Koszowski: Dual Use of Cigarettes, Little Cigars, Cigarillos, and Large Cigars: Smoking Topography and Toxicant Exposure; Tob. Regul. Sci. Suppl 1 (2017) S72–S83. DOI: 10.18001/trs.3.2(suppl1).8 PickworthW.B. RosenberryZ.R. O’GradyK.E. KoszowskiB. Dual Use of Cigarettes, Little Cigars, Cigarillos, and Large Cigars: Smoking Topography and Toxicant Exposure Tob. Regul. Sci. Suppl 1 2017 S72 S83 10.18001/trs.3.2(suppl1).8 Open DOISearch in Google Scholar

32 Cooperation Center for Scientific Research Relative to Tobacco (CORESTA): CORESTA Recommended Method N^o. 81: Routine Analytical Machine for E-Cigarette Aerosol Generation and Collection - Definitions and Standard Conditions; (2015). Available at: https://www.coresta.org/routine-analytical-machine-e-cigarette-aerosol-generation-and-collection-definitions-and-standard (accessed July 2021) Cooperation Center for Scientific Research Relative to Tobacco (CORESTA) CORESTA Recommended Method N^o. 81: Routine Analytical Machine for E-Cigarette Aerosol Generation and Collection - Definitions and Standard Conditions 2015 Available at: https://www.coresta.org/routine-analytical-machine-e-cigarette-aerosol-generation-and-collection-definitions-and-standard (accessed July 2021) Search in Google Scholar

33 Xu, B.X., G. Zhao, J.W. Zhao, X. Li, H. Wang, L.T. Xu, Y.C. Zhang, S.J. Zheng, G.X. Peng, and F.W. Xie: Method to Determine Puffing Volume Taken by E-Cigarette Consumer; Tob. Sci. Technol. 51 (2018) 70–76. DOI: 10.16135/j.issn 1002-0861.2018.0040 XuB.X. ZhaoG. ZhaoJ.W. LiX. WangH. XuL.T. ZhangY.C. ZhengS.J. PengG.X. XieF.W. Method to Determine Puffing Volume Taken by E-Cigarette Consumer Tob. Sci. Technol. 51 2018 70 76 10.16135/j.issn 1002-0861.2018.0040 Open DOISearch in Google Scholar

34 Etter, J.F.: Characteristics of Users and Usage of Different Types of Electronic Cigarettes: Findings From an Online Survey; Addiction 111 (2015) 724–733. DOI: 10.1111/add.13240 EtterJ.F. Characteristics of Users and Usage of Different Types of Electronic Cigarettes: Findings From an Online Survey Addiction 111 2015 724 733 10.1111/add.13240 26597453 Open DOISearch in Google Scholar

35 Farsalinos, K.E., G. Romagna, D. Tsiapras, S. Kyrzopoulos, and V. Voudris: Characteristics, Perceived Side Effects and Benefits of Electronic Cigarette Use: A Worldwide Survey of More than 19,000 Consumers; Int. J. Environ. Res. Public Health 11 (2014) 4356–4373. DOI: 10.3390/ijerph110404356 FarsalinosK.E. RomagnaG. TsiaprasD. KyrzopoulosS. VoudrisV. Characteristics, Perceived Side Effects and Benefits of Electronic Cigarette Use: A Worldwide Survey of More than 19,000 Consumers Int. J. Environ. Res. Public Health 11 2014 4356 4373 10.3390/ijerph110404356 402502424758891 Open DOISearch in Google Scholar

36 Kozlowski, L.T. and R.J. O’Connor: Cigarette Filter Ventilation is a Defective Design Because of Misleading Taste, Bigger Puffs, and Blocked Vents; Tob. Control 11 (2002) I40–150. DOI: 10.1136/tc.11.suppl_1.i40 KozlowskiL.T. O’ConnorR.J. Cigarette Filter Ventilation is a Defective Design Because of Misleading Taste, Bigger Puffs, and Blocked Vents Tob. Control 11 2002 I40 150 10.1136/tc.11.suppl_1.i40 176606111893814 Open DOISearch in Google Scholar

37 Sutton, S.R., M.A. Russell, R. Iyer, C. Feyerabend, and Y. Saloojee: Relationship Between Cigarette Yields, Puffing Patterns, and Smoke Intake: Evidence for Tar compensation?; Brit. Med. J. (Clin Res Ed) 285 (1982) 600–603. DOI: 10.1136/bmj.285.6342.600 SuttonS.R. RussellM.A. IyerR. FeyerabendC. SaloojeeY. Relationship Between Cigarette Yields, Puffing Patterns, and Smoke Intake: Evidence for Tar compensation? Brit. Med. J. (Clin Res Ed) 285 1982 600 603 10.1136/bmj.285.6342.600 14994436819031 Open DOISearch in Google Scholar

38 Farsalinos, K., K. Poulas, and V. Voudris: Changes in Puffing Topography and Nicotine Consumption Depending on the Power Setting of Electronic Cigarettes; Nicotine Tob. Res. 20 (2018) 993–997. DOI: 10.1093/ntr/ntx219 FarsalinosK. PoulasK. VoudrisV. Changes in Puffing Topography and Nicotine Consumption Depending on the Power Setting of Electronic Cigarettes Nicotine Tob. Res. 20 2018 993 997 10.1093/ntr/ntx219 29059377 Open DOISearch in Google Scholar

39 Vaughan, L. and Y. Chen: Data Mining From Web Search Queries: A Comparison of Google Trends and Baidu Index; J. Assn. Inf. Sci. Tec. 66 (2015) 13–22. DOI: 10.1002/asi.23201 VaughanL. ChenY. Data Mining From Web Search Queries: A Comparison of Google Trends and Baidu Index J. Assn. Inf. Sci. Tec. 66 2015 13 22 10.1002/asi.23201 Open DOISearch in Google Scholar

40 Cooperation Center for Scientific Research Relative to Tobacco (CORESTA): A Brief Description of History, Operation and Regulation; CORESTA E-Cigarette Task Force, Reference Report, February 2014. Available at: https://www.coresta.org/e-cigarettes-brief-description-history-operation-and-regulation-29234.html (accessed July 2021) Cooperation Center for Scientific Research Relative to Tobacco (CORESTA) A Brief Description of History, Operation and Regulation; CORESTA E-Cigarette Task Force, Reference Report February 2014 Available at: https://www.coresta.org/e-cigarettes-brief-description-history-operation-and-regulation-29234.html (accessed July 2021) Search in Google Scholar