Severance Hospital, Seoul, Korea, Republic of
Department of Anesthesiology and Pain MedicineSeverance Hospital, Yonsei University Health System, Seoul, Korea, Korea, Republic of
Department of Anaesthesiology and Pain Medicine, Anaesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Korea, Republic of
Department of Internal Medicine,, Seoul, Korea, Republic of
Yonsei University Health System, Severance Hospital, Seoul, Korea, Republic of
Severance Cardiovascular Hospital, Yonsei University Health System, Seoul, Korea, Republic of
Department of Anesthesiology and Pain Medicine and Anesthesia, Seoul, Korea, Republic of
Yonsei university of medical center, Seoul, Korea, Republic of