1. Department of Anesthesiology; Yedikule Chest Diseases and Thoracic Surgery Training & Research Hospital; Istanbul Turkey
2. Department of Anesthesiology; Süleymaniye Obstetrics and Gynecology and Pediatrics Training & Research Hospital; Istanbul Turkey
3. Department of Chest Diseases; Yedikule Chest Diseases and Thoracic Surgery Ed. & Research Hospital; Istanbul Turkey
4. Department of Cardiology; Istanbul Medipol University Hospital; Istanbul Turkey