1. Department of Otolaryngology–Head and Neck Surgery, Cliniques Universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium
2. Department of Otolaryngology–Head and Neck Surgery Department, Ninewells Hospital and Medical School, University of Dundee, Dundee, Scotland, United Kingdom
3. Department of Genetics, Cliniques Universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium