1. I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
2. A.F. Tsyba Medical Radiological Research Center – A Branch of the Federal State Budgetary Institution "National Medical Research Center of Radiology", Obninsk, Russia
3. N.F. Gamaleya Federal Research Center for Epidemiology & Microbiology, Moscow, Russia
4. Russian Medical Academy of Continuous Professional Education, Moscow, Russia