1. School of Mechanical Engineering, Yangtze University 1 , Jingzhou 434023, China
2. School of Mathematics and Statistics, Hexi University 2 , Zhangye 734000, China
3. School of Mechanics and Aerospace Engineering, Southwest Jiaotong University 3 , Chengdu 610031, China
4. Institute for Complex Systems and Mathematical Biology King’s College, University of Aberdeen 4 , Aberdeen AB24 3UE, United Kingdom