Funding for this research was provided by:
Fondation de France, “Soigner, soulager, accompagner” (00050334)
Received: 8 February 2018
Accepted: 26 September 2018
First Online: 4 October 2018
Ethics approval and consent to participate
: The Paris-Descartes University review board (CERES) approved the research protocol (IRB number: 20140600001072). All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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