1. Peoples' Friendship University of Russia (RUDN University); Morozovskaya Children's City Clinical Hospital of the Moscow City Healthcare Department
2. Peoples' Friendship University of Russia (RUDN University); Morozovskaya Children's City Clinical Hospital of the Moscow City Healthcare Department; Children's Infectious Diseases Clinical Hospital №6 of the Moscow City Healthcare Department
3. Morozovskaya Children's City Clinical Hospital of the Moscow City Healthcare Department
4. Children's Infectious Diseases Clinical Hospital №6 of the Moscow City Healthcare Department
5. Peoples' Friendship University of Russia (RUDN University); Children's Infectious Diseases Clinical Hospital №6 of the Moscow City Healthcare Department