1. ESRD Registry Committee, Korean Society of Nephrology, Seoul, Korea
2. Department of Internal Medicine, Eulji University Hospital, College of Medicine, Eulji University, Daejeon, Korea
3. Ewha Institute of Convergence Medicine, Ewha Womans University Mokdong Hospital, Seoul, Korea
4. The Korean Society of Nephrology, Seoul, Korea
5. Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
6. Department of Internal Medicine and Tissue Injury Defense Research Center, College of Medicine, Ewha Womans University, Seoul, Korea