I. L. Nikitina
Almazov National Medical Research Center
Russian Federation

Irina L. Nikitina, Dr. Sci. (Med.), Professor, Head of the Department of Children’s Diseases with the Clinic of the Medical Faculty of the Institute of Medical Education

2, Akkuratov St., St Petersburg, 197341

A. S. Liskina
Almazov National Medical Research Center
Russian Federation

Anastasiya S. Liskina, Assistant of the Department of Children’s Diseases with the Clinic of the Medical Faculty of the Institute of Medical Education, Researcher at the Research Laboratory of Pediatric Endocrinology of the Institute of Endocrinology

2, Akkuratov St., St Petersburg, 197341

I. A. Kelmanson
Almazov National Medical Research Center
Russian Federation

Igor A. Kelmanson, Dr. Sci. (Med.), Professor of the Department of Children’s Diseases with the Clinic of the Medical Faculty of the Institute of Medical Education

2, Akkuratov St., St Petersburg, 197341

P. N. Kuptsova
Almazov National Medical Research Center
Russian Federation

Polina N. Kuptsova, Clinical Resident of Children’s Diseases with the Clinic of the Medical Faculty of the Institute of Medical Education

2, Akkuratov St., St Petersburg, 197341