1. Department of Urology, RenJi Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
2. Key Laboratory of Fertility Preservation and Maintenance of Ministry of Education, Department of Biochemistry and Molecular Biology, Ningxia Medical University, Yinchuan, Ningxia, China
3. Division of Oncology, Department of Medicine, University of Missouri School of Medicine, Columbia, MO, USA
4. Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
5. Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX, USA
6. Program of Genes and Development, The University of Texas Graduate School of Biomedical Sciences, Houston, TX, USA
7. Department of Hematopathology, Division of Pathology and Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA