1. Department of Neurology and Pain Management, Sakarya Private Adatıp Hospital, Sakarya, Turkey
2. Department of Neurology and Pain Management, Kanuni Sultan Süleyman Training and Research Hospital, İstanbul, Turkey
3. Department of Anesthesiology and Reanimation, İzmir University of Economics, Faculty of Medicine, İzmir, Turkey
4. Department of Anesthesiology and Reanimation, İstinye University, Faculty of Medicine, İstanbul, Turkey