1. Division of Nephrology; Xiangya Hospital; Central South University; Changsha China
2. Division of Pathology; Xiangya Hospital; Central South University; Changsha China
3. Division of Nephrology; The Third Xiangya Hospital; Central South University; Changsha China
4. Division of Gastroenterology; Xiangya Hospital; Central South University; Changsha China
5. Division of Nephrology; Department of Medicine; McMaster University; Hamilton Ontario Canada
6. State Key Laboratory of Medical Genetics of China; Central South University; Changsha China