Funding for this research was provided by:
Union des Blessés de la Face et de la Tête (2014)
Received: 6 September 2019
Accepted: 16 December 2019
First Online: 23 December 2019
Ethics approval and consent to participate
: The study protocol was approved by our local research ethical committee (Comité de Protection des Personnes 2013/17NICB).
: Not applicable.
: The authors declare that they have no competing interests.