Yonsei University, Seoul, Korea, Republic of
Severance Hospital, Seoul, Korea, Republic of
Department of Anaesthesiology and Pain Medicine, Anaesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Korea, Republic of
Severance hospital, Yonsei Cancer Center, Seoul, Korea, Republic of
Yonsei University, Seoul, Korea, Republic of
Yonsei University Severance Hospital, Seoul, Korea, Republic of
Yonsei University Severance Hospital, Seoul, Korea, Republic of
Severance Hospital, Seoul, Korea, Republic of
Severance Hospital, Seoul, Korea, Republic of