1. Department of Mathematics, COMSATS University Islamabad, Sahiwal Campus, Pakistan
2. Department of Mathematics, Ghazi University, D. G. Khan 33200, Pakistan
3. Department of Mathematics, Faculty of Science, Azarbaijan Shahid Madani University, Tabriz, Iran
4. Department of Computer Engineering, Biruni University, 34025 Istanbul, Turkey
5. Department of Mathematics, Science Faculty, Firat University, 23119 Elazig, Turkey
6. Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
7. Gofa Camp, Near Gofa Industrial College and German Adebabay, Nifas Silk-Lafto, 26649 Addis Ababa, Ethiopia
8. Jabalia Camp, United Nations Relief and Works Agency (UNRWA), Palestinian Refugee Camp, Gaza Strip Jabalia, State of Palestine
9. Institute of Mathematical Sciences, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia