1. Department of TCM Nursing, School of Nursing, Beijing University of Chinese Medicine, Beijing, China
2. Department of Healthcare, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, P. R. China
3. Pharmacology of Integrated Chinese and Western Medicine, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
4. Beijing Key Laboratory of TCM Syndrome and Formula, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
5. Key Laboratory of TCM Syndrome and Formula, School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Ministry of Education, Beijing, China