1. Department of Studies in Mathematics, Davangere University, Davangere 577002, India
2. Department of Mathematics, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Bengaluru, India
3. Department of Mathematics, GITAM School of Science, GITAM Deemed to be University, Bangalore-Campus, India
4. Department of Computer Science and Mathematics, Lebanese American University, Byblos, Lebanon
5. Department of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
6. Department of Mathematics, SJT Government First Grade College, Mundargi, Karnataka, India
7. Department of Mathematics, College of Science, King Khalid University, Abha, Saudi Arabia