1. Department of Mathematics and Statistics, Central University of Punjab, Bathinda 151001, Punjab, India
2. Department of Mathematics and General Sciences, Prince Sultan University, P. O. Box 66833, 11586 Riyadh, Saudi Arabia
3. Department of Medical Research, China Medical University, Taichung 40402, Taiwan
4. Department of Computer Science and Information Engineering, Asia University, Taichung, Taiwan
5. Department of Mathematics and General Sciences, Prince Sultan University, 11586 Riyadh, Saudi Arabia
6. CONACyT-Tecnológico Nacional de México/CENIDET, Interior Internado Palmira S/N, Col. Palmira, C.P. 62490, Cuernavaca, Morelos, México