1. Institute of Integrative Medicine, College of Integrative Medicine, Hebei University of Chinese Medicine, Shijiazhuang 050200, China
2. Hebei Key Laboratory of Integrative Medicine on Liver-Kidney Patterns, Hebei University of Chinese Medicine, Shijiazhuang 050091, China
3. Graduate School, Hebei University of Chinese Medicine, Shijiazhuang 050091, China
4. Department of Clinical Laboratory, School of Medicine, International University of Health and Welfare, Narita, Chiba 108-8329, Japan