1. Department of Cardiology, Erciyes University School of Medicine, Kayseri, Turkey
2. Department of Cardiology, Yozgat Sorgun State Hospital, Yozgat, Turkey
3. Department of Cardiology, Yozgat State Hospital, Yozgat, Turkey
4. Department of Cardiology, Gaziantep Av. Cengiz Gokcek Sate Hospital, Gaziantep, Turkey