1. Institute for Interdisciplinary Information Sciences, Tsinghua University, Beijing, China
2. School of Medicine, Tsinghua University, Beijing, China
3. Department of Computer Science and Engineering, University of California, Riverside, CA, USA
4. MOE Key Lab of Bioinformatics and Bioinformatics Division, TNLIST/Department of Computer Science and Technology, Tsinghua University, Beijing, China
5. Institute of Integrative Genome Biology, University of California, Riverside, CA, USA