A. I. Khavkin
Russian National Research Medical University named after N. I. Pirogov; Belgorod State Research University Russian Federation
Russian Federation

Anatoly I. Khavkin, MD, PhD, DSc, Professor, Chief Researcher of the Department of Gastroenterology of the Scientific Research Clinical Institute of Pediatrics named after Academician Yu. E. Veltischev

125412, Moscow, st. Taldomskaya, 2
308015, the Belgorod region, Belgorod, Pobedy Street, 85   

M. N. Vasia
Dotors on duty clinic Labadi
Ghana

Marie Nechesa Vasia, MD, Chief Physician at Doctors on Duty Clinic Labadi

GA000, Accra, PO BOX OS 3410, OSU

V. P. Novikova
Saint Petersburg State Pediatric Medical University
Russian Federation

Valeriya P. Novikova, MD, PhD, DSc, Professor, Head of Department of Propedeutics of Childhood Diseases with a course of general child care, head. laboratory “Medical and social problems in pediatrics”

194100, St. Petersburg, st. Litovskaya, 2, letter Zh