1. Integrative Medicine Service, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
2. Lehman College and the Graduate Center, the City University of New York, Bronx, New York, USA
3. Department of Biological Sciences, Old Dominion University, Norfolk, Virginia, USA
4. Institute of Chinese Medicine, the Chinese University of Hong Kong, Hong Kong, China
5. College of Pharmacy, Dali University, Snowman Road, Xiaguan, Dali 671000, Yunnan, P. R. China
6. Wuhan Botanical Institute, the Chinese Academy of Sciences, Wuhan 430072, P. R. China