1. Department of Anesthesiology, Medicine Faculty, Selcuk University, Ardıçlı, Akademi, Celal Bayar St. No. 313, Konya 42250, Turkey
2. Department of Anesthesiology, Medicine Faculty, Başkent University, Hocacihan Mahallesi Saray Caddesi No. 1, Konya 42080, Turkey
3. Meram State Hospital, Hacışaban, Yeni Meram St. No. 97, Konya 42090, Turkey