[1] Seoul National University College of Medicine,Department of Internal Medicine
[2] Cheju Halla General Hospital,Department of Internal Medicine
[3] Perelman School of Medicine,Center for Clinical Epidemiology and Biostatistics, and Department of Biostatistics & Epidemiology and Center for Pharmacoepidemiololgy Research and Training
[4] University of Pennsylvania,Department of Biomedical Informatics
[5] Ajou University School of Medicine,Department of Dental Hygiene
[6] College of Health Science,Department of Internal Medicine, Samsung Medical Center
[7] Eulji University,Department of Internal Medicine
[8] Sungkyunkwan University School of Medicine,Department of Internal Medicine, Healthcare System Gangnam Center
[9] University of Ulsan college of Medicine,undefined
[10] Asan Medical Center,undefined
[11] Seoul National University Hospital,undefined