1. Central Laboratory, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital & Institute, Beijing 100142, P.R. China
2. State Key Laboratory of Animal Nutrition, China Agricultural University, Beijing 100193, P.R. China
3. Breast Center, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital & Institute, Beijing 100142, P.R. China
4. Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA