1. Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA.
2. Division of Molecular Oncology, Department of Oncology, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA.
3. College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310052, China.
4. National Clinical Research Center for Child Health, National Children’s Regional Medical Center, Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310052, China.
5. Cancer Center, Zhejiang University, Hangzhou, Zhejiang 310058, China.
6. Department of Computational Biology, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA.
7. Whitehead Institute, Cambridge, MA 02142, USA.
8. Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02142, USA.