Busan Paik Hospital, Korea (Republic of)
Soon Chun Hyang University Hospital Bucheon, Korea (Republic of)
Pusan National University Hospital, Korea (Republic of)
Dong-A University Hospital, Korea (Republic of)
VHS Medical Center, Korea (Republic of)
Ulsan University Hospital, Korea (Republic of)
Kokura Memorial Hospital, Japan
Yeosu Jeil Hospital, Korea (Republic of)
The Catholic University of Korea Eunpyeong St. Mary's Hospital, Korea (Republic of)
Chungnam National University Sejong Hospital, Korea (Republic of)
CHA Bundang Medical Center, Korea (Republic of)
Keimyung University Dongsan Medical Center, Korea (Republic of)
Gyeongsang National University Changwon Hospital, Korea (Republic of)
Daejeon St. Hosptial, Korea (Republic of)
GangNeung Asan Hospital, Korea (Republic of)
Chungnam National University Sejong Hospital, Korea (Republic of)
The Catholic University of Korea, Eunpyeong St. Mary's Hospital, Korea (Republic of)
Ulsan University Hospital, Korea (Republic of)
Sarang General Hospital, Korea (Republic of)
Korea University Anam Hospital, Korea (Republic of)
Changwon Hanmaeum Hospital, Korea (Republic of)
Sejong Hospital, Korea (Republic of)
Kyung Hee University Medical Center, Korea (Republic of)