1. Department of Psychiatry, Gazi Universitesi, Ankara, Turkey
2. Department of Psychiatry, Diskapi Yildirim Beyazit Egitim ve Arastirma Hastanesi, Ankara, Turkey
3. Department of Psychiatry, Bozok Universitesi, Yozgat, Turkey
4. Department of Psychiatry, Özel Boylam Psikiyatri Hastanesi, Ankara, Turkey