1. Editorial Board, Kidney Research and Clinical Practice, Official Journal of the Korean Society of Nephrology, Seoul, Republic of Korea
2. Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
3. Department of Internal Medicine, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea
4. Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
5. Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Republic of Korea