Mediforum, Seoul, Seongdon-gu, Korea, Republic of
Kyung Hee University Oriental Medicine Hospital, Seoul, Dongdaemun-gu, Korea, Republic of
The Catholic University of Korea, Seoul St. Mary's Hospital, Seoul, Seocho-gu, Korea, Republic of
National Health Insurance Corporation Ilsan Hospital, Goyang, Ilsandong-gu, Korea, Republic of