1. Chengdu Institute of Chinese Herbal Medicine, P. R. China
2. Department of Pharmacy, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, P. R. China
3. Collage of Pharmacy, Hubei University of Chinese Medicine, Wuhan, P. R. China
4. Dr Ma’s Laboratories Inc, Vancouver, BC, Canada