| Affiliation: | 1. Department of Otolaryngology–Head and Neck Surgery, Sunderland Royal Hospital and Institute of Health and Society, Newcastle University, United Kingdom;2. Academic Foundation, Newcastle upon Tyne NHS Foundation Trust and Associate Clinical Research, Newcastle University, United Kingdom;3. Medical Statistics, Institute of Health and Society, Newcastle University, United Kingdom;4. Department of Speech and Language Therapy, Sunderland Royal Hospital, United Kingdom;5. Institute of Health and Society, Newcastle University, United Kingdom |
