1. Department of Internal Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Republic of Korea
2. The Korean Society of Nephrology, Seoul, Republic of Korea
3. Department of Internal Medicine, College of Medicine, Ewha Womans University, Seoul, Republic of Korea
4. Tissue Injury Defense Research Center, College of Medicine, Ewha Womans University, Seoul, Republic of Korea