| Chang Wook Jeong | Seoul National University Hospital, Seoul National University College of Medicine |
| Jun Hyuk Hong | Asan Medical Center, University of Ulsan College of Medicine |
| Ji Youl Lee | St. Mary Hospital, Catholic University College of Medicine |
| Byung Ha Chung | Gangnam Severance Hospital, Yonsei University College of Medicine |
| Choung-Soo Kim | Asan Medical Center, University of Ulsan College of Medicine |
| Cheol Kwak | Seoul National University Hospital, Seoul National University College of Medicine |