1. School of Rehabilitation Medicine and Health Care, Hunan University of Medicine, Huaihua, People’s Republic of China
2. School of Traditional Chinese Medicine, Hunan University of Medicine, Huaihua, People’s Republic of China
3. Medical School, Hunan University of Chinese Medicine, Changsha, People’s Republic of China
4. School of Integrated Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, People’s Republic of China
5. Andrology Laboratory, Hunan University of Chinese Medicine, Changsha, People’s Republic of China