1. Department of Head and Neck Surgery and Oncology Amrita Institute of Medical Sciences and Research Center, Amrita Vishwa Vidyapeetham Kochi India
2. RTI International Waltham MA USA
3. Karkinos Health Ernakulam India
4. Roswell Park Cancer Institute Buffalo New York USA
5. RTI International New Delhi India
6. WHO‐International Agency for Research on Cancer (IARC) Lyon France