1. From the Department of Internal Medicine (M.J.J., D.O.), College of Medicine, Pochon CHA University, Sungnam, Korea; the Department of Internal Medicine (W.C.), College of Medicine, Keymyung University, Daegu, Korea; the Department of Internal Medicine (S.-M.), Seoul National University Bundang Hospital, Sungnam, Korea; the Department of Vascular Surgery (T.L.), Seoul National University Bundang Hospital, Sungnam, Korea; the Department of Internal Medicine (Y.-K.K.), College of Medicine, Chonnam...