Rationale and Design of the Turkish Sleep Apnea Database - TURKAPNE: A National, Multicenter, Observational, Prospective Cohort Study

1. Clinic of Chest Diseases and Sleep Center, Dışkapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey

2. Department of Pulmonary Medicine, Ege University School of Medicine, İzmir, Turkey

3. Department of Pulmonary Medicine, Marmara University School of Medicine, İstanbul, Turkey.,Department of Clinical Sciences, Respiratory Medicine and Allergology, Faculty of Medicine, Lund University, Lund, Sweden