Funding for this research was provided by:
European Commission (242141)
Received: 17 October 2017
Accepted: 26 December 2018
First Online: 25 January 2019
Ethics approval and consent to participate
: The study obtained the approval of the Swiss ethical review board, “Commission cantonale Vaud d’éthique et de recherche sur l’être humain” (Reference CER-VD 410/11).In accordance with the Ethics Committee and to the extent that no biomedical data were collected, the patients only provided their informed oral consent for their participation.
: Not applicable.
: The authors declare that they have no competing interests.
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