[1] Seoul National University College of Medicine,Department of Internal Medicine
[2] Boramae Medical Center,Department of Internal Medicine
[3] Chonbuk National University Medical School,Department of Internal Medicine
[4] Gyeongsang National University School of Medicine,Department of Internal Medicine
[5] Inje University College of Medicine,Department of Internal Medicine
[6] Wonkwang University School of Medicine,Department of Internal Medicine
[7] Keimyung University Dongsan Medical Center,Department of Internal Medicine
[8] Chonnam National University Medical School,Department of Infectious Diseases
[9] Yeungnam University College of Medicine,Department of Internal Medicine
[10] Ulsan University Hospital,Department of Internal Medicine
[11] University of Ulsan College of Medicine,Department of Internal Medicine
[12] Hallym University Sacred Heart Hospital,Department of Internal Medicine, School of Medicine
[13] Kyungpook National University Kyungpook National University Hospital,Department of Internal Medicine
[14] Yonsei University Wonju College of Medicine,Department of Internal Medicine
[15] Chungnam National University School of Medicine,Department of Internal Medicine
[16] Chungbuk National University College of Medicine,Department of Internal Medicine
[17] Seoul National University Bundang Hospital,undefined