1. Department of Mathematics, Tafila Technical University, Tafila, Jordan + College of Engineering, Al Ain University, Al Ain, UAE
2. Department of Mathematics, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, Khyber Pakhtunkhwa, Pakistan
3. Department of Mathematics and Sciences, Prince Sultan University, Riyadh, Saudi Arabia + Department of Mathematics, University of Malakand, Chakdara Dir(L), Khyber Pakhtunkhwa, Pakistan
4. Department of Mathematics and Sciences, Prince Sultan University, Riyadh, Saudi Arabia + Department of Medical Research, China Medical University, Taichung, Taiwan