1. Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang, Hebei 050091, China
2. Department of Reproductive Medicine, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, China
3. Hebei Hospital of Traditional Chinese Medicine, Shijiazhuang, Hebei 050011, China
4. Department of Physiology, Basic Medical College, Hebei University of Chinese Medicine, Shijiazhuang 050091, China