[1] Department of Internal Medicine, Seoul National University, College of Medicine, Seoul
[2] Clinical Research Center of End Stage Renal Disease, Daegu
[3] Department of Dental Hygiene, College of Health Science, Eulji University, Seongnam
[4] Department of Epidemiology and Biostatistics, School of Public Health, Seoul National University, Seoul
[5] Department of Internal Medicine, Seoul National University, Boramae Medical Center, Seoul
[6] Department of Internal Medicine, Hallym University, Hangang Sacred Heart Hospital, Seoul
[7] Kidney Research Institute, Seoul National University, College of Medicine, Seoul
[8] Department of Internal Medicine, Kyungpook National University Hospital, Daegu
[9] Department of Preventive Medicine, Institute of Health Sciences, Gyeongsang National University of Medicine, Jinju
[10] N-Bio, Seoul National University, Seoul