A. G. Kedrinskaya
Almazov National Medical Research Center; First Pavlov State Medical University of St. Petersburg.
Russian Federation

Anastasia G. Kedrinskaya, MD, Researcher, Research Laboratory of Diagnostic and Treatment of Pediatric Disease, Institute of Perinatology and Pediatrics, Almazov National Medical Research Center, Assistant Professor, First Pavlov State Medical University of St. Petersburg.

2 Akkuratov street, St Petersburg, 197341. 

N. B. Kuprienko,
Almazov National Medical Research Center; First Pavlov State Medical University of St. Petersburg.
Russian Federation

Natalia B. Kuprienko, MD, PhD, Researcher, Research Laboratory of Diagnostics and Treatment of Pediatric Disease, Institute of Perinatology and Pediatrics. Almazov National Medical Research Center, Associate Professor of Pediatrics, First Pavlov State Medical University of St. Petersburg.

2 Akkuratov street, St Petersburg, 197341. 

G. I. Obraztsova
Almazov National Medical Research Center.
Russian Federation

Galina I. Obraztsova, MD, PhD, DSc, Senior Researcher, Research Laboratory of Diagnostics and Treatment of Pediatric Diseases, Institute Perinatology and Pediatrics, Almazov National Medical Research Center.

2 Akkuratov street, St Petersburg, 197341. 

I. A. Leonova
Almazov National Medical Research Center; First Pavlov State Medical University of St. Petersburg.
Russian Federation

Irina A. Leonova, MD, PhD, Head, Research Laboratory, Institute Perinatology and Pediatrics, Almazov National Medical Research Center, Associate Professor of Pediatrics, First Pavlov State Medical University of St. Petersburg.

2 Akkuratov street, St Petersburg, 197341.