1. Department of Internal Medicine, College of Integrated Chinese and Western Medicine of Hunan University of Chinese Medicine, Changsha, Hunan 410208, P.R. China
2. Department of Andrology, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha, Hunan 410007, P.R. China
3. Hunan Key Laboratory of Traditional Chinese Medicine Prescription and Syndromes Translational Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, P.R. China
4. Department of Oncology, The Affiliated Hospital of Hunan Institute of Chinese Medicine, Changsha, Hunan 410006, P.R. China