1. Guangzhou University of Traditional Chinese Medicine, Guangzhou, China
2. Guangdong Clinical Research Academy of Chinese Medicine, Department of Nephrology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
3. Baiyun Hospital of The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
4. Shenzhen Hospital of Guangzhou University of Chinese Medicine (Futian), Shenzhen, China