1. Medical Systems Biology Research Center, Department of Biomedical Engineering, Tsinghua University School of Medicine, Beijing 100084, China
2. National Engineering Research Center for Beijing Biochip Technology, 18 Life Science Parkway, Beijing 102206, China
3. The State Key Laboratory of Biomembrane and Membrane Biotechnology, Tsinghua University, Beijing 100084, China
4. Shanxi Key Laboratory of Ecological Animal Science and Environmental Medicine, Shanxi Agricultural University, Taigu, Shanxi 030801, China
5. Center of Reproduction Medicine, Department of Obstetrics and Gynecology, Third Hospital of Peking University, Beijing 100191, China