Funding for this research was provided by:
Fonds Léon Fredericq
Received: 20 August 2018
Accepted: 18 February 2019
First Online: 4 March 2019
Ethics approval and consent to participate
: As stated by our local ethics committee, the “Comité d’Ethique Hospitalo-Facultaire Universitaire de Liège,” “there is no need to submit the type of work described by Henrard et al to an Ethics Committee in Belgium. In addition, we consider that an oral consent given by the interviewed person is sufficient in this case”.
: Not applicable.
: The authors declare that they have no competing interests.
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