Funding for this research was provided by:
Commission scientifique du domaine Sant? de la Haute ?cole Sp?cialis?e de Suisse Occidentale (65900/S-RAD16-47)
Text and Data Mining valid from 2019-02-07
Received: 4 November 2018
Accepted: 18 January 2019
First Online: 7 February 2019
Compliance with ethical standards
: Isabelle Carrard declares that she has no conflict of interest. Stéphane Rothen declares that he has no conflict of interest.
: All procedures performed in the present study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Written informed consent was obtained from all individual participants included in the study.