1 Center of Bioelementology and Human Ecology, and Department of Therapy of the Institute of Postgraduate Education, IM Sechenov First Moscow State Medical University (Sechenov University), Bolshaya Pirogovskaya St., 2-4, Moscow, 119146, Russia
2 Key Laboratory of Trace Elements and Endemic Diseases, National Health and Family Planning Commission, Health Science Center, School of Public Health, Xi'an Jiaotong University, Xi'an, 710061, China
3 Khanty-Mansiysk State Medical Academy, Khanty-Mansiysk, 628011, Russia
4 Laboratory of Ecobiomonitoring and Quality Control, Yaroslavl State University, Sovetskaya Str. 14, Yaroslavl, 150000, Russia