1. Department of Pediatric Cardiology; Dr Siyami Ersek Thoracic and Cardiovascular Surgery Center; Istanbul; Turkey
2. Department of Cardiology; Erciyes University School of Medicine; Kayseri; Turkey
3. Division of Cardiology; SH Ho Cardiovascular and Stroke Centre; Department of Medicine and Therapeutics; Prince of Wales Hospital; The Chinese University of Hong Kong; Hong Kong; SAR