1. Universitas Airlangga, Indonesia
2. Al-Rafidain University College, Iraq
3. Universitas Krisnadwipayana, Indonesia
4. Al-Ayen University, Iraq
5. Faculty of Public Health Universitas Airlangga, Indonesia
6. University of Mosul, Iraq
7. Kazan Federal University, Russia
8. I.M. Sechenov First Moscow State Medical University, Russian Federation