Muhmenthaler, Michèle C. http://orcid.org/0000-0002-7376-1164
Meier, Beat http://orcid.org/0000-0003-3303-6854
Article History
Received: 24 May 2019
Accepted: 25 November 2019
First Online: 5 December 2019
Compliance with ethical standards
:
: Michèle Muhmenthaler and Beat Meier declare having no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the research committee of the faculty of human sciences of the University of Bern and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.