1. Department of Mathematics, Micheal Okpara University of Agriculture, Umudike, Umuahia Abia State Nigeria
2. Office of Research, Innovation and Commercialization, University of Management and Technology, Lahore, Pakistan
3. Department of Mathematics, University of Management and Technology, Lahore, Pakistan
4. Department of Mathematics, Cankaya University, Ankara, Turkey
5. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan