1. Department of Psychology, Istanbul Gelisim University, Istanbul, Turkey;
2. Department of Algology, Istanbul University Medical Faculty, Istanbul, Turkey;
3. Fizyorom Physical Therapy and Rehabilitation Center, Diyarbakır, Turkey;
4. Department of Psychiatry, University of Cambridge, Cambridge, UK;
5. Cambridgeshire and Peterborough NHS Foundation Trust, Cambridge, UK;
6. Department of Psychiatry, Bahçeşehir University, Istanbul, Turkey