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N. Ivanov
Department of Clinical Immunology with Stem Cell Bank, University Hospital “Alexandrovska”, National Expert Center for PID, Medical UniversitySofia, Bulgaria
S. Mihailova
Department of Clinical Immunology with Stem Cell Bank, University Hospital “Alexandrovska”, National Expert Center for PID, Medical UniversitySofia, Bulgaria
R. Bilyukov
Department of Propaedeutics of Internal Diseases, University Hospital “Alexandrovska”, Medical UniversitySofia, Bulgaria
C. Popov
Department of Surgery, University Hospital “Alexandrovska”, Medical UniversitySofia, Bulgaria
T. Kundurzhiev
Department of Occupational Medicine, Faculty of Public Health, Medical UniversitySofia, Bulgaria
E. Naumova
Department of Clinical Immunology with Stem Cell Bank, University Hospital “Alexandrovska”, National Expert Center for PID, Medical UniversitySofia, Bulgaria