Department of Nephrology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, No.111 Dade Road, Guangzhou, 510120, China. Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, No.111 Dade Road, Guangzhou, 510120, China. Department of Nephrology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, No.111 Dade Road, Guangzhou, 510120, China. fuhualu_doctor@163.com. Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, No.111 Dade Road, Guangzhou, 510120, China. fuhualu_doctor@163.com. Department of Nephrology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, No.111 Dade Road, Guangzhou, 510120, China. zdf_doctor@163.com. Department of Nephrology, Guangdong Provincial Hospital of Chinese Medicine, No.111 Dade Road, Guangzhou, 510120, China. zdf_doctor@163.com.