Rahul G. Kanegaonkar FRCS(ORL-HNS) is a Consultant in Otolaryngology at Medway Maritime Hospital, Kent, UK, and Clinical Lead for the Multidisciplinary Balance Clinic at the Royal London Hospital, London. He also holds two Chairs, one in Otorhinolaryngology, the second in Medical Innovation. James R. Tysome MA, PhD, FRCS(ORL-HNS) is a Consultant in Otolaryngology and Skull Base Surgery at Cambridge University Hospitals, and is Associate Professor at the University of Cambridge, Cambridge, UK.