Funding for this research was provided by:
Swiss National Science Foundation
Gottfried and Julia Bangerter-Rhyner-Foundation
Article History
Received: 23 April 2018
Accepted: 14 November 2018
First Online: 3 December 2018
Compliance with ethical standards
:
: All Authors declare that they have no conflict of interest.
: All procedures performed in studies 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.