1. School of Mathematics and Statistics, Central South University, Changsha 410083, China
2. Department of Mathematics, Women University of Azad Jammu and Kashmir, Bagh 12500, Azad Kashmir, Pakistan
3. Department of Mathematics, Capital University of Science and Technology (CUST), Islamabad, 44000, Pakistan
4. Department of Mathematics, Faculty of Science, New Valley University, Al-Kharga, Al-Wadi Al-Gadid, 72511 Egypt
5. Finance and Insurance Department, College of Business Administration, Northern Border University, Arar 1321, Saudi Arabia
6. Department of Mathematics, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
7. Department of Statistics and Business Analytics, United Arab Emirates University, UAE