School of Computer Science and Technology, Xidian University, Xian, 710000, China. zxd841@163.com.|School of Computer Science and Technology, Xidian University, Xian, 710000, China. lgao@mail.xidian.edu.cn.|Department of Biomedical Engineering, School of Control Science and Engineering, Shandong University, Shandong, 250061, China. zpliu@sdu.edu.cn.|Key Laboratory of Systems Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200031, China. lnchen@sibs.ac.cn.