1. Key Laboratory of Ministry of Education for Cell Proliferation and Differentiation, College of Life Sciences, Peking University, Beijing 100871, China
2. College of Life Sciences, South China Agricultural University, Guangzhou 510642, China
3. Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
4. University of Chinese Academy of Sciences, Beijing 100049, China
5. Department of Chemical Biological Sciences, Faculty of Science, Japan Women's University, Tokyo 112-8681, Japan