1. Department of Basic Sciences and Related Studies, Mehran University of Engineering and Technology, Jamshoro 76062, Pakistan
2. Department of Computer Science and Mathematics, Lebanese American University, Beirut 1102-2801, Lebanon
3. Operational Research Center in Healthcare, Near East University, Mersin 99138, Turkey
4. Department of Mathematics, Near East University, Mersin 99138, Turkey
5. Department of Mathematics, University of Ioannina, 45110 Ioannina, Greece