**Author details**

Patrick S.C. D'Haese1 \*, Vincent Van Rompaey2 , Marc De Bodt<sup>2</sup> and Paul Van de Heyning2

1 MED-EL, Innsbruck, Austria

2 Antwerp University Hospital, University of Antwerp, Edegem, Belgium

\*Address all correspondence to: patrick.dhaese@medel.com

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
