Chungbuk National University Hospital, Cheongju-si, Korea, Republic of
Seoul National University Hospital, Seoul, Korea, Republic of
Korea University Guro Hospital, Seoul, Korea, Republic of
Chungbuk National University Hospital, Cheongju-si, Korea, Republic of
Chungbuk National University Hospital, Cheongju-si, Korea, Republic of
Korea University Ansan Hospital, Seoul, Korea, Republic of
Chungbuk National University Hospital, Cheongju-si, Korea, Republic of
Korea University Guro Hospital, Seoul, Korea, Republic of
Severance Hospital, Seoul, Seodaemun-gu, Korea, Republic of