Medicine (Baltimore) 2018 May;97(21):e10778
Department of Internal Medicine, Chungnam National University College of Medicine, Daejeon Department of Internal Medicine, Chosun University College of Medicine, Gwangju Department of Internal Medicine, Seoul National University College of Medicine, Seoul Department of Internal Medicine, Daejeon St. Mary's Hosptial, Catholic University of Korea College of Medicine, Daejeon Department of Internal Medicine, Chonbuk National University Medical School, Jeonju Department of Internal Medicine, Chonnam National University Medical School, Hwasoon Department of Internal Medicine, Wonkwang University School of Medicine, Iksan Department of Internal Medicine, Keimyung University College of Medicine, Daegu Department of Internal Medicine, Chungbuk National University College of Medicine, Cheongju Department of Internal Medicine, Eulji University College of Medicine, Daejeon, Republic of Korea.