Text and Data Mining valid from 2019-05-09
Received: 6 January 2018
Accepted: 1 May 2019
First Online: 9 May 2019
Ethics approval and consent to participate
: All subjects provided their written consent prior to the study. Questionnaires and interviews were fully anonymous. A favorable ethical opinion was obtained from the relevant French Ethics Committee (IDRCB 2013-A01344–41).
: Not applicable.
: The authors declare that they have no competing interest.
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