1. Oral Health Sciences Centre Post Graduate Institute of Medical Education & Research Chandigarh India
2. Department of Internal Medicine Post Graduate Institute of Medical Education & Research Chandigarh India
3. Department of Oral and Maxillofacial Diseases University of Helsinki and Helsinki University Hospital Helsinki Finland
4. Department of Oral Diseases Karolinska Institutet Stockholm Sweden
5. Department of Virology Post Graduate Institute of Medical Education & Research Chandigarh India
6. Maulana Azad Dental College New Delhi India