1. Department of Medical Profession, Faculty of Medicine, Universitas Sriwijaya, Palembang, Indonesia
2. Faculty of Medicine, Riga Stradinš University, Riga, Latvia
3. Faculty of Medicine, University of Patras School of Medicine, Patras, Greece
4. Faculty of Medicine, Benha University, Benha, Egypt
5. Faculty of Medicine, University of Jordan, Amman, Jordan
6. Department of Public Health, Health Services Academy, Islamabad, Pakistan, and
7. Department of Neurology, Riga East University Clinical Hospital, Riga, Latvia