1. Zu Chongzhi Center for Mathematics and Computational Sciences, Duke Kunshan University, 8 Duke Ave., Kunshan 215316, China
2. Department of Applied Mathematics, Illinois Institute of Technology, Chicago, IL 60616, USA
3. Department of Physiology and Biophysics, Rush University, Chicago, IL 60612, USA
4. Math and Statistics Department, Utah State University, Old Main Hill, Logan, UT 84322, USA
5. Research Center for Mathematics, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai 519088, China
6. Guangdong Provincial Key Laboratory of Interdisciplinary Research and Application for Data Science, BNU-HKBU United International College, Zhuhai 519088, China
7. Laboratory of Mathematics and Complex Systems, MOE, Beijing Normal University, Beijing 100875, China
8. Department of Mathematics and Statistics, York University, Toronto, ON M3J 1P3, Canada