1. University of Iowa Iowa City USA
2. University of Missouri Kansas City USA
3. Health Science Center at Houston University of Texas USA
4. Tufts University USA
5. Indiana University USA
6. University College Cork Ireland
7. University of Florida USA
8. Roseman University USA
9. Universitat Internacional de Catalunya Barcelona Spain
10. Universidad de Talca Chile
11. Universidade Federal de Pelotas Brazil
12. Universidade Federal de Campina Grande Campus Patos Brazil
13. Centro Universitário das Faculdades Metropolitanas Unidas Brazil
14. Universidade Federal de Juiz de Fora Brazil
15. Universidade Passo Fundo Brazil
16. IMED Passo Fundo Brazil
17. Universidade de Guarulhos Brazil
18. Universidade de São Paulo Brazil
19. Universidade Federal do Rio Grande do Norte Brazil
20. Universidade Estadual da Paraíba Brazil
21. DY Patil Dental School Lohegaon Pune India
22. Independent Researcher Bangalore India
23. Manipal Academy of Higher Education Manipal College of Dental Sciences Manipal India
24. Indira Gandhi Institute of Dental Sciences Pondicherry India
25. The Oxford Dental College Bangalore India
26. Sri Venkateshwaraa Dental College Ariyur Pondicherry India
27. VSPM Dental College Nagpur India