Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (PR00P1_179872)
Article History
Received: 8 January 2019
Accepted: 29 December 2019
First Online: 19 February 2020
Ethics approval and consent to participate
: All procedures were approved by the local Ethics Committee (reference number 425).
: Consent for publication was obtained for all individuals whose data or likenesses are reported in the manuscript.
: The authors declare that they have no competing interests.