1 Department of Otolaryngology-Head and Neck Surgery, Medicana International Ankara, Ankara, Turkey. Electronic address: sefikhosal@gmail.com.
2 Department of Head and Neck Surgery, Poznan University of Medical Sciences, The Greater Poland Cancer Centre, Poznan, Poland. Electronic address: wgolus@ump.edu.pl.
3 Department of Surgery, Institut Jules Bordet, Brussels, Belgium. Electronic address: guy.andry@bordet.be.
4 Department of Otolaryngology-Head and Neck Surgery and Cancer Centre Amsterdam, Amsterdam University Medical Centres, Vrije Universiteit, Amsterdam, the Netherlands. Electronic address: cr.leemans@vumc.nl.
5 President of the Founding Board of the European Head and Neck Society, Oscar Lambret, Lille, France. Electronic address: j-louis.lefebvre@laposte.net.