Inje University Ilsan Paik Hospital, Goyang-si, Gyeonggi-do, Korea, Republic of
National Health Insurance Corporation Ilsan Hospital, Goyang-si, Gyeonggi-do, Korea, Republic of
Uijeongbu St.Marry's Hospital, Uijeongbu-si, Gyeonggi-do, Korea, Republic of
Ewha University Mok-dong Hospital, Seoul, Korea, Republic of
Seoul St. Marry's Hospital, Seoul, Korea, Republic of