1. Baidu Research , Sunnyvale, CA, USA
2. School of Electrical Engineering & Computer Science, Oregon State University , Corvallis, OR, USA
3. Department of Biochemistry & Biophysics,Rochester , NY 14642, USA
4. Center for RNA Biology, Rochester , NY 14642, USA
5. Department of Biostatistics & Computational Biology, University of Rochester Medical Center , Rochester, NY 14642, USA