1. School of Chinese Materia Medica Nanjing University of Chinese Medicine Nanjing China
2. State Key Laboratory of Drug Research Shanghai Institute of Materia Medica, Chinese Academy of Sciences Shanghai China
3. University of Chinese Academy of Sciences Beijing China
4. Department of Pharmacology, College of Medicine The Pennsylvania State University Hershey Pennsylvania USA
5. Laboratory of Metabolism, Center for Cancer Research National Cancer Institute, National Institutes of Health Bethesda Maryland USA
6. Department of Veterinary and Biomedical Sciences and the Center for Molecular Toxicology and Carcinogenesis The Pennsylvania State University University Park Pennsylvania USA