1. Department of Otorhinolaryngology, Mater Misericordiae University Hospital, Dublin, Ireland
2. Department of Radiology, St Vincent’s University Hospital, Dublin, Ireland
3. Department of Endocrinology, Mater Misericordiae University Hospital, Dublin, Ireland
4. Department of Otorhinolaryngology, St Vincent’s University Hospital, Dublin, Ireland
5. School of Medicine, University College Dublin, Belfield, Dublin, Ireland