ORIGINAL RESEARCH
Prevalence of iron deficiency in adolescent high performance sports
1 Federal Research and Clinical Center for Children and Adolescents of the Federal Medical Biological Agency, Moscow, Russia
2 The National Medical Research Center for Endocrinology, Moscow, Russia
3 Medical and Biological University of Innovation and Continuing Education of the Federal Medical Biophysical Center named after A. I. Burnazyan of the Federal Medical and Biological Agency of Russia
4 Russian University of Medicine of the Ministry of Health of the Russian Federation, Moscow, Russia
Correspondence should be addressed: Elena P. Isaeva
Moskvorechye, 20, 115409, Moscow, Russia; ur.liam@4747arod
Author contribution: Isaeva EP — development of the study protocol, collection of data, processing and interpretation of results, manuscript writing; Okorokov PL — collection of data, interpretation of results, manuscript editing; Zyabkin IV — approval of the study protocol, manuscript editing.
Compliance with ethical standards: the study was approved by the Ethical Committee of the Moscow Medico-Social Institute named after F.P. Gaaz (Protocol No. 4 dated October 04, 2021). Parents/guardians or legal representatives of athletes signed a voluntary consent to participate in the study.