1. Guangdong Province Engineering Technology Research Institute of Traditional Chinese Medicine; Guangzhou Guangdong 510095 PR China
2. Guangdong Provincial Key Laboratory of Research and Development in Traditional Chinese Medicine; Guangzhou Guangdong 510095 PR China
3. Department of Nephrology, The Second Clinical College; Guangzhou University of Chinese Medicine and Guangdong Provincial Academy of Chinese Medical Sciences; Guangzhou Guangdong PR China
4. Guangzhou University of Chinese Medicine; Guangzhou Guangdong 510006 PR China
5. School of Pharmaceutical Science, Sun Yat-sen University; Guangzhou 510006 PR China