1. Center for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
2. PTN Graduate Program, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
3. BNLMS, Peking-Tsinghua Center for Life Sciences at the College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
4. School of Mathematical Sciences, Peking University, Beijing 100871, China
5. Center for Statistical Science, Peking University, Beijing 100871, China