1. Department of Otorhinolaryngology/Head and Neck Surgery; Radboud University Nijmegen Medical Centre; Nijmegen
2. Sydney Head and Neck Cancer Institute and The Sydney Cancer Centre; Royal Prince Alfred Hospital; Sydney
3. Department of Mechanical Engineering; Materials Technology Institute; Eindhoven University of Technology; Eindhoven; the Netherlands
4. Department of Head and Neck Surgery; Liverpool Hospital; Liverpool
5. Department of Speech Pathology; Royal Prince Alfred Hospital; Sydney
6. Department of Speech Pathology; Liverpool Hospital; Liverpool
7. Department of Speech Pathology; Westmead Hospital; Western Sydney Local Health District; Sydney; NSW; Australia