1. School of Computer Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
2. Instrument Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
3. School of Life Science and Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
4. Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
5. Center for Computational Biology and Bioinformatics, Indiana University School of Medicine, Indianapolis, IN 46202, USA