1. College of Intelligence and ComputingTianjin University 300350 Tianjin China
2. College of Computer and Information EngineeringInner Mongolia Agricultural University 010018 Hohhot China
3. Institute of Fundamental and Frontier SciencesUniversity of Electronic Science and Technology of China 610054 Chengdu China
4. Center for Informational BiologyUniversity of Electronic Science and Technology of China 610054 Chengdu China