1. School of Mathematics, Liaoning University, Shenyang, China
2. Research Center for Computer Simulating and Information Processing of Bio-Macromolecules of Liaoning Province, Shenyang, China
3. School of Life Science, Liaoning University, Shenyang, China
4. School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, China
5. Jiangsu Key Laboratory of Mine Mechanical and Electrical Equipment, China University of Mining and Technology, Xuzhou, China
6. Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing, China
7. School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, China