1. Department of Cardiovascular Surgery, Dr Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Turkey
2. Department of Cardiovascular Surgery, Kartal Kosuyolu High Speciality Training and Research Hospital, Istanbul, Turkey
3. Department of Chest Diseases, Immunology and Allergy Clinic, Sureyyapasa Chest Diseases and Thoracic Surgery Training and Research Hospital, Istanbul, Turkey.