1. Institute of Human GeneticsPolish Academy of Sciences Poznan Poland
2. Laboratory of Environmental Research, Department of ToxicologyPoznan University of Medical Sciences Poznan Poland
3. International Head & Neck Scientific Group Padua Italy
4. Department of Otolaryngology‐Head and Neck Surgery, Radboud University Medical CentreRadboud Institute for Health Sciences Nijmegen the Netherlands
5. Department of Otolaryngology, Hospital Universitario Central de Asturias, IUOPAUniversity of Oviedo, CIBERONC Oviedo Spain
6. Department of OtolaryngologyUniversity of Udine School of Medicine Udine Italy
7. Department of SurgeryUniversity of Arizona College of Medicine Phoenix AZ
8. Coordinator of the International Head & Neck Scientific Group Padua Italy