1. Department of Thoracic and Cardiovascular Surgery, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Korea
2. Department of Cardiology, Chonnam National University Medical School, Gwangju, Korea
3. Department of Emergency, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Korea
4. Department of Pediatrics, Chonnam National University Children’s Hospital, Chonnam National University Medical School, Gwangju, Korea