1. Center for Computational Modeling, Chennai Institute of Technology, Chennai 600069, India
2. Ramanujan Centre for Higher Mathematics, Alagappa University, Karaikudi 630004, India
3. Department of Computer Science and Mathematics, Lebanese American University, Beirut P.O. Box 13-5053, Lebanon
4. Department of Mathematics and Sciences, Prince Sultan University, Riyadh 11586, Saudi Arabia
5. Department of Industrial Engineering, OSTİM Technical University, Ankara 06374, Turkey
6. Department of Mathematics, Maejo University, Chiang Mai 50290, Thailand
7. Department of Mathematics, Texas A & M University-Kingsville, Kingsville, TX 78363, USA