1. Department of Endocrine and Breast Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P.R. China
2. Chongqing Key Laboratory of Biochemistry and Molecular Pharmacology, Chongqing Medical University, Chongqing 400016, P.R. China
3. Department of Anatomy, Chongqing Medical University, Chongqing 400016, P.R. China
4. Laboratory of Stem Cell and Tissue Engineering, Chongqing Medical University, Chongqing 400016, P.R. China
5. Molecular Oncology and Epigenetics Laboratory, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, P.R. China