A. A. Kalashnikov
Research and Clinical Institute for Pediatrics and Pediatric Surgery n.a. Acad. Yu.E. Veltishchev, Moscow, Russia; St. Vladimir City Children’s Clinical Hospital, Moscow, Russia
Russian Federation

Aleksey Andreevich Kalashnikov; 1/3, bldg. 8 Rubtsovsko-Dvortsovaya str., Moscow, 107014, Russia

S. O. Ryabykh
Research and Clinical Institute for Pediatrics and Pediatric Surgery n.a. Acad. Yu.E. Veltishchev, Moscow, Russia; Pirogov Clinic of High Medical Technologies at St. Petersburg State University, Saint Petersburg, Russia
Russian Federation

Sergey Olegovich Ryabykh, MD, Dr. Sci. (Medicine)

V. S. Klimov
Research and Clinical Institute for Pediatrics and Pediatric Surgery n.a. Acad. Yu.E. Veltishchev, Moscow, Russia; Patrice Lumumba Peoples’ Friendship University of Russia, Moscow, Russia; European Medical Center, Moscow, Russia
Russian Federation

Vladimir Sergeevich Klimov, MD, Dr. Sci. (Medicine)

S. A. Gorchakov
St. Vladimir City Children’s Clinical Hospital, Moscow, Russia
Russian Federation

Sergey Alexandrovich Gorchakov, MD, Cand. Sci. (Medicine)