1. From the Departments of Otolaryngology–Head and Neck Surgery (Dr de Bree) and Oral and Maxillofacial Surgery–Oral Pathology (Dr van der Waal), Vrije Universiteit Medical Center/ACTA, Amsterdam; and Department of Otolaryngology Facial Plastic Surgery, Hospital Hilversum, Hilversum (Dr Middelweerd), the Netherlands.