1 Department of Medical, Surgical, and Experimental Sciences, Maxillofacial Surgery Operative Unit, University of Sassari, Sassari, Italy.
2 Department of Biomedical Science, PhD School of Biomedical Science, University of Sassari, Sassari, Italy.
3 Department of Medical, Surgical and Health Sciences, Section of Otolaryngology, University of Trieste, Trieste, Italy.
4 King's College, London, UK.
5 British Rhinological Society (President), London, UK.
6 Department of Anatomy and Experimental Oncology, Mons School of Medicine, UMONS, Research Institute for Health Sciences and Technology, University of Mons (UMons), Mons, Belgium.
7 Department of Otolaryngology-Head Neck Surgery, Elsan Hospital, Paris, France.