1. Department of Otolaryngology‐Head and Neck Surgery Louisiana State University‐Health Shreveport Shreveport Louisiana USA
2. Department of Otolaryngology‐Head and Neck Surgery University of Michigan Health System Ann Arbor Michigan USA
3. Department of Otorhinolaryngology‐Head and Neck Surgery Hospital Universitario Central de Asturias Oviedo Spain
4. Department of Otorhinolaryngology‐Head and Neck Surgery University of Helsinki and HUS Helsinki University Hospital Helsinki Finland
5. Department of Hematology and Medical Oncology Emory University Atlanta Georgia USA
6. Department of Oncology Johns Hopkins University School of Medicine Baltimore Maryland USA
7. Department of Otolaryngology‐Head and Neck Surgery The Ohio State University Wexner Medical Center Columbus Ohio USA
8. International Head and Neck Scientific Group Padua Italy