1. Department of Microbiology, Tribhuvan University Teaching Hospital, Institute of Medicine, Kathmandu, Nepal
2. Department of Community Medicine and School of Public Health, Postgraduate Institute of Medical Education and Research, India
3. Faculty of Pharmacy, Mansoura University, Egypt
4. Boston University, School of Medicine, Boston, MA, USA
5. MBBCh, Faculty of Medicine, Tanta University, Tanta, Egypt
6. Faculty of Medicine, Al-Azhar University, Cairo, Egypt
7. Faculty of Medicine, Banha University, Banha, Egypt
8. All India Institute of Medical Sciences, Gorakhpur, India
9. Faculty of Medicine, University of Jeddah, Jeddah Saudi Arabia
10. Grupo de Investigación Biomedicina, Faculty of Medicine, Fundacion Universitaria Autonoma de las Americas, Pereira, Risaralda Colombia
11. Institucion Universitaria Vision de las Americas, Pereira, Risaralda, Colombia
12. Master of Clinical Epidemiology and Biostatistics, Universidad Cientifica del Sur, Lima Peru