Division of Gastroenterology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea, Republic of
Korea University Anam Hospital, Seoul, Korea, Republic of
Department of Anaesthesiology and Pain Medicine Department; Korea University Anam Hospital, Seoul, Korea, Republic of
Yousei Universty Healthcare System, Seoul, Korea, Republic of
Korea University Anam Hospital, Seoul, Korea, Republic of
Korea University Anam Hospital, Seoul, Korea, Republic of
Dept. of Clinical Pharmacology & Toxicology, Anam Hospital, Korea University College of Medicine, Seoul, Korea, Republic of
Korea University Anam Hospital, Seoul, Korea, Republic of
Korea University Medical Center, Seoul, Korea, Republic of