1. School of Computer Science and Technology, the Key Laboratory of Symbol Computation and Knowledge Engineering, Ministry of Education, China
2. School of Computer Science and Technology, Jilin University, Changchun, China
3. School of Plant Sciences and Key Laboratory of Zoonosis Research, Ministry of Education, Jilin University, Changchun, China
4. Department of Electrical Engineering and Computer Science, Missouri-Columbia University, Columbia, MO, USA
5. Department of Molecular Microbiology and Immunology, School of Medicine, Missouri University, Columbia, Missouri, USA