1. Rheumatology Division, PMR Department, School of Medicine; Marmara University; Istanbul Turkey
2. Pain Medicine Division, PMR Department, School of Medicine; Cukurova University; Adana Turkey
3. PMR Department; Darende Hulusi Efendi Devlet Hospital; Malatya Turkey
4. Sancaktepe Sehit Prof Dr Ilhan Varank Training and Research Hospital; Istanbul Turkey
5. PMR Department, School of Medicine; Marmara University; Istanbul Turkey