1. Department of Mathematics and Sciences, Prince Sultan University , P.O. Box 66833 , 11586 Riyadh , Saudi Arabia
2. Department of Mathematics, University of Malakand Chakdara Dir(L) 18000 , Khyber Pakhtunkhwa , Pakistan
3. Department of Mathematics, Government Post Graduate Jahanzeb College , Swat , KPK , Pakistan
4. Department of Medical Research, China Medical University , Taichung 40402 , Taiwan
5. Department of Mathematics and Applied Mathematics, School of Science and Technology, Sefako Makgatho Health Sciences University , Ga-Rankuwa , South Africa
6. Department of Mathematics and Statistics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU) , Riyadh , Saudi Arabia