Affiliation: | You-Jung Choi, Eue-Keun Choi, Jiesuck Park, Inki Moon, Euijae Lee, Won-Seok Choe, So-Ryoung Lee, Myung-Jin Cha, Seil Oh, Department of Internal Medicine, Seoul National University Hospital, Seoul 03080, South KoreaKyung-Do Han, Department of Biostatistics, College of Medicine, The Catholic University of Korea, Seoul 03083, South KoreaWoo-Hyun Lim, Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul 07061, South Korea |