1. The State Budgetary Institution, Research Institute for Healthcare Organization and Medical Management of Moscow Healthcare Department, 115088, Moscow, Russia.
2. Moscow State University of Technology and Management K.G. Razumovsky (The First Cossack University), 109004, Moscow, RussiaRussian State Social University, Moscow, Russia.
3. Kuban State University, 350040, Krasnodar, Russia.
4. Russian State Social University, 129226, Moscow, Russia.
5. Pirogov Russian National Research Medical University, Russian Academy of Education, 117997, Моscow, Russia.