1. Department of Applied Mathematics and Statistics, Institute of Space Technology, P.O. Box 2750, Islamabad 44000, Pakistan
2. Department of Mathematics and General Sciences, Prince Sultan University, Riyadh, Saudi Arabia
3. Department of Medical Research, China Medical University, Taichung, Taiwan
4. Department of Computer Science and Information Engineering, Asia University, Taichung, Taiwan
5. Renewable Energy Research Centre, Department of Teacher Training in Electrical Engineering, Faculty of Technical Education, King Mongkut’s University of Technology North Bangkok, 1518 Pracharat 1 Road Bangsue, Bangkok 10800, Thailand