1. S.D. Asfendiyarov Kazakh National Medical University, Almaty, Republic of Kazakhstan
2. West Kazakhstan Marat Ospanov State Medical University, Aktobe, Republic of Kazakhstan
3. City Clinic Hospital No 1, Shymkent, Republic of Kazakhstan
4. City Clinic Hospital No 4, Almaty, Republic of Kazakhstan
5. Kazakhstan’s School of Public Health, Almaty, Republic of Kazakhstan