M. M. Gurova
Belgorod State National Research University; St Petersburg State Pediatric Medical University; Clinical and Diagnostic Center for Children
Russian Federation

Margarita M. Gurova, Dr. Sci. (Med.), Professor of the Department of Pediatrics with a Course of Pediatric Surgery, Belgorod State National Research University; Professor of the Department of Propaedeutics of Childhood Diseases with a Course in General Child Care, Leading Researcher of the Laboratory of Medical and Social Problems in Pediatrics, Research Center, St Petersburg State Pediatric Medical University; Deputy Chief Medical Officer, Consultative and Diagnostic Center for Children; Clinical and Diagnostic Center for Children

85, Pobedy St., Belgorod, 308015, 

2, Litovskaya St., St Petersburg, 194100, 

36, Bldg. 2, Oleko Dundich St., St Petersburg, 192289

E. A. Protsenko
Belgorod Regional Clinical Hospital of St Joasaph
Russian Federation

Ekaterina A. Protsenko, Neonatologist of the Neonatal Intensive Care Unit No. 2

8/9, Nekra- sov St., Belgorod, 308007