1. Department of Nephrology, The Second Xiangya Hospital, Central South University, Changsha, Hunan Province, China
2. Department of Rehabilitation Medicine and Health Care, Hunan University of Medicine, Huaihua, Hunan Province, China
3. College of Traditional Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan Province, China
4. College of Integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan Province, China