1. Institute of Antimicrobial Chemotherapy, Smolensk State Medical Academy, Smolensk
2. Novosibirsk State Medical Academy, Novosibirsk
3. Nizjni Novgorod State Medical Academy, Nizjni Novgorod
4. Ural State Medical Academy, Ekaterinburg
5. City Outpatient Clinic No. 7, Moscow
6. Volgograd State Medical Academy, Volgograd
7. Tyumen State Medical Academy, Tyumen
8. Regional Children Hospital, Kaliningrad
9. Pediatric Department, Municipal Outpatient Clinic No. 2, Yakutsk, Russia