1. Division of Nephrology, Department of Internal Medicine, Kyung Hee University College of Medicine, Kyung Hee University Medical Center, Seoul, Korea
2. Department of Laboratory Medicine, Kyung Hee University College of Medicine, Kyung Hee University Medical Center, Seoul, Korea
3. Rare Disease Center, Kyung Hee University College of Medicine, Kyung Hee University Medical Center, Seoul, Korea