1. Department of Mathematics, Hindustan Institute of Technology and Science, Rajiv Gandhi Salai (OMR), Padur, Kelambakkam - 603103, Tamil Nadu, India
2. College of Foreign Studies, Shandong Technology and Business University, Yantai 264005, P. R. China
3. Department of Mathematics, Vel Tech Multi Tech Dr. Rangarajan, Dr. Sakunthala Engineering College, Avadi, Thiruvallur, Tamilnadu, India
4. Department of Mathematics, Periyar Maniammai Institute of Science and Technology, Thanjavur, Tamil Nadu, India
5. School of Science, SVKM’s NMIMS Deemed to be University, Navi Mumbai 410210, India
6. Department of Mathematics, Kalasalingam Academy of Research and Education (Deemed to be University), Krishnankoil 626126, Srivilliputtur, Tamilnadu, India
7. Department of Mathematics, AVS College of Arts and Science, Salem, Tamilnadu, India
8. Department of Mathematics, R. M. K. College of Engineering and Technology, Thiruvallur, Tamilnadu, India
9. Department of Mathematics, R. M. D. Engineering College, Kavaraipettai, Tamilnadu, India