1. Laboratory of Molecular Diagnosis of Cancer, Clinical Research Center for Breast, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
2. Basic Medical Faculty, Dali Medical College, Dali, Yunnan 671003, P.R. China
3. Department of Oncology, Affiliated Taihe Hospital, Yunyang Medical College, Shiyan, Hubei 442000, P.R. China