ORIGINAL RESEARCH
20-year monitoring of physical developmental characteristics in school-age children and adolescents living in Kursk
Kursk State Medical University, Kursk, Russia
Correspondence should be addressed: Alexander M. Chernykh
K. Marx st., 3, Kursk, 305041, moc.xednay@xela-rehc
Author contribution: Chernykh AM – academic advising, data acquisition, manuscript writing; Kremleva AS, Belova AI – data acquisition, statistical processing, literature search.
Compliance with ethical standards: Ethics Committee protocol № 108 dated October 24, 2016. The informed consent was obtained for all study participants. The study does not harm the participants and is consistent with ethical principles of biomedical research.