1. Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Brussels Health Campus, Brussel, Belgium
2. MED-EL GmbH, Innsbruck, Austria
3. Department of Otolaryngology and Head & Neck Surgery, Vrije Universiteit Brussel, University Hospital UZ Brussel, Brussels Health Campus, Brussel, Belgium
4. Greenham Research Consulting Ltd., Oxfordshire, UK