1. Department of Mathematics, Indira Gandhi University, Rewari, India
2. Department of Mathematics, Gurugram University, Gurugram, India
3. Near East University, Operational Research Center in Healthcare, Nicosia, Turkey
4. Department of Mathematics, Faculty of Science, Islamic University of Madinah, Madinah, Saudi Arabia
5. Department of Technical Sciences, Western Caspian University, Baku, Azerbaijan
6. School of Physical Sciences, Amrita Vishwa Vidyapeetham, Mysuru campus, Karnataka, India
7. Department of Mathematics, CDLU, Sirsa, India