1. S.P. Botkin City Clinical Hospital, Moscow Healthcare Department; Peoples’ Friendship University of Russia named after Patrice Lumumba
2. S.P. Botkin City Clinical Hospital, Moscow Healthcare Department; Russian Medical Academy of Continuing Professional Education, Ministry of Health of Russia
3. S.P. Botkin City Clinical Hospital, Moscow Healthcare Department
4. Peoples’ Friendship University of Russia named after Patrice Lumumba