1. College of Foreign Studies, Shandong Technology and Business University, Yantai, China
2. Department of Mathematics and Statistics, Ramaiah University of Applied Sciences, Bengaluru, India
3. Centre for Mathematical Needs, Department of Mathematics, CHRIST University, Bengaluru, India
4. Department of Computer Science, King Khalid University, Abha, Saudi Arabia
5. Department of Mathematics, Quaid-i-Azam University, Islamabad, Pakistan