1. Department of Paediatric Otolaryngology, Royal Manchester Children’s Hospital, Manchester University NHS Foundation Trust, Manchester, UK
2. Richard Ramsden Centre for Auditory Implants, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
3. Manchester Centre for Audiology and Deafness (ManCAD), Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
4. Division of Infection, Immunity and Respiratory Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK