1. Beijing Institute of Pharmacology and Toxicology, 27 Tai-Ping Road, Beijing 100850, China
2. Pharmacy Department, Urumqi General Hospital, Lanzhou Military Region, Urumqi 830000, China
3. Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, North Carolina 27599, United States
4. Beijing Institute of Radiation Medicine, 27 Tai-Ping Road, Beijing 100850, China
5. Screening Technologies Branch, Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, National Cancer Institute, Frederick National Laboratory for Cancer Research, National Institutes of Health, Frederick, Maryland 21702, United States
6. Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung 40402, Taiwan