M. I. Umalatova
Children's Clinic No. 3
Russian Federation

Madina I. Umalatova, MD

Affiliations: 367026, Republic of Dagestan, Makhachkala, 23b Abdulhakima Ismailova St. State Budgetary Instit. Phone: 8(928)2189132

G. M. Letifov
Rostov State Medical University
Russian Federation

Prof. Gadzhi M. Letifov, MD, PhD, DMedSci

Department of Pediatrics and Neonatology, Head of Department

Affiliations: 344022, Rostov-on-Don, 29 Nakhichevan Lane. Phone: 8(909)4381113

ORCID: 0000-­0002-5094-7599

B. P. Makhachev
Dagestan State Medical University
Russian Federation

Prof. Bashir M. Makhachev, MD, PhD, DMedSci Department of Pediatric SurgeryAffiliations: 367000, Republic of Dagestan, Makhachkala, Lenin Square, 1. Phone: 8(960)4150888