1. Department of Community Medicine Institute of Medical Sciences & SUM Hospital Siksha ‘O’ Anusandhan Deemed to be University Bhubaneswar India
2. Department of Virology Postgraduate Institute of Medical Education and Research Chandigarh India
3. Harvard Medical School Boston USA
4. London School of Hygiene and Tropical Medicine London UK
5. All India Institute of Medical Sciences Gorakhpur India
6. Department of Community Medicine and School of Public Health Postgraduate Institute of Medical Education and Research Chandigarh India
7. Institute of Medicine Tribhuvan University Teaching Hospital Kathmandu Nepal