1. The State Key Laboratory of Bioactive Substance and Function of Natural Medicines; Beijing Key Laboratory of Drug Target Research and Drug Screen; Institute of Materia Medica; Chinese Academy of Medical Science and Peking Union Medical College; Beijing 100050 China
2. Department of Molecular Oncology; John Wayne Cancer Institute (JWCI) at Providence Saint John's Health Center; Santa Monica California 90404
3. Department of Breast Surgery; Peking Union Medical College Hospital; Peking Union Medical College; Chinese Academy of Medical Sciences; Beijing 100032 China