1. Key Lab of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 320 Yueyang Rd., Xuhui District, Shanghai 200031, China
2. University of Chinese Academy of Sciences, 52 Sanlihe Rd., Xicheng District, Beijing 100049, China
3. Shanghai Center for Bioinformation Technology, Shanghai Industrial Technology Institute, 1278 Keyuan Rd., Pudong District, Shanghai 201203, China
4. Collaborative Innovation Center for Genetics and Development, Fudan University, 2005 Songhu Rd., Yangpu District, Shanghai 200433, China