| Centre No. | Name of study sites | Principle Investigators |
|---|---|---|
| 01 | Seoul St. Mary’s Hospital, The Catholic University of Korea | YoungKyoon Kim |
| 02 | St. Paul’s Hospital, The Catholic University of Korea | SangHaak Lee |
| 03 | Yeouido St. Mary’s Hospital, The Catholic University of Korea | HyoungKyu Yoon |
| 04 | Incheon St. Mary’s Hospital, The Catholic University of Korea | JoongHyun Ahn |
| 05 | Kyung Hee University Hospital at Gangdong | JeeHong Yoo |
| 06 | GangNeung Asan Hospital | BockHyun Jung |
| 07 | Konkuk University Medical Center | KwangHa Yoo |
| 08 | Konyang University Hospital | MoonJun Na |
| 09 | Kyungpook National University Hospital | JaeYong Park |
| 10 | Gyeongsang National University Hospital | JongDeog Lee |
| 11 | Kyung Hee University Medical Center | MyungJae Park |
| 12 | Keimyung University Dongsan Medical Center | ChiYoung Jung |
| 13 | Korea University Guro Hospital | JaeJeong Shim |
| 14 | Korea University Anam Hospital | SangYeub Lee |
| 15 | Daegu Catholic University Medical Center | KyungChan Kim |
| 16 | Daegu Fatima Hospital | YeonJae Kim |
| 17 | Dongguk University Gyeongju Hospital | HyeSook Choi |
| 18 | Dongguk University Ilsan Hospital | GunMin Park |
| 19 | Maryknoll Medical Center | IkSu Choi |
| 20 | Seoul National University Bundang Hospital | Choon-Taek Lee |
| 21 | Samsung Medical Center | HoJoong Kim |
| 22 | Seoul National University Hospital | ChulGyu Yoo |
| 23 | Seoul Veterans Hospital | YongHo Roh |
| 24 | Asan Medical Center | SangDo Lee |
| 25 | St. Carollo Hospital | DongRyeol Chae |
| 26 | Soonchunhyang University Bucheon Hospital | DoJin Kim |
| 27 | Soonchunhyang University Seoul Hospital | Soo-Taek Uh |
| 28 | Soonchunhyang University Cheonan Hospital | KiHyun Seo |
| 29 | Wonju Severance Christian Hospital | SukJoong Yong |
| 30 | Gangnam Severance Hospital | HyungJung Kim |
| 31 | Severance Hospital | YoungSam Kim |
| 32 | Yeungnam University Medical Center | KwanHo Lee |
| 33 | Ulsan University Hospital | SeungWon Ra |
| 34 | Wonkwang University School of Medicine | HakRyul Kim |
| 35 | Wonkwang University Sanbon Hospital | HuiJung Kim |
| 37 | Ewha Womans University Medical Center | JungHyun Jang |
| 38 | Inje University Sanggye Paik Hospital | SooJeon Choi |
| 39 | Chonnam National University Hospital | SungChul Lim |
| 40 | Chonbuk National University Hospital | YongChul Lee |
| 41 | Chung-ang University Hospital | InWon Park |
| 42 | Chungnam National University Hospital | SungSoo Jung |
| 43 | Hallym University Kangdong Sacred Heart Hospital | YongBum Park |
| 44 | Hallym University Sacred Heart Hospital | Ki-Suck Jung |
| 45 | Hallym University Chuncheon Sacred Heart Hospital | ChangYoul Lee |
| 46 | Hanyang University Medical Center | HoJoo Yoon |
| 47 | Kyungpook National University Hospital | Jaehee Lee |
The center No. 36, Eulji General Hospital was discontinued.