1. Ear, Nose and Throat Clinic, Rize Training and Research Hospital, Islampasa Mah., Sehitler Caddesi, No. 74, 53020 Rize, Turkey
2. Department of Cardiology, Faculty of Medicine, Yüzüncü Yıl University, 65080 Van, Turkey
3. Private Lokman Hekim Van Hospital, 65100 Van, Turkey