Gross-Hemmi, Mirja H. http://orcid.org/0000-0002-2231-6538
Gemperli, Armin http://orcid.org/0000-0002-2363-0625
Fekete, Christine http://orcid.org/0000-0002-3753-3017
Brach, Mirjam
Schwegler, Urban http://orcid.org/0000-0002-2844-0812
Stucki, Gerold
Article History
Received: 28 February 2020
Revised: 29 October 2020
Accepted: 29 October 2020
First Online: 17 November 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Ethical approval was granted by the leading ethical institution Ethikkommision Nordwest-und Zentralschweiz (EKNZ, Project-ID: 11042 PB_2016-02608, approved Dec 2016). We certify that all applicable institutional and governmental regulations concerning the ethical use of human volunteers were followed during the course of this research.