Funding for this research was provided by:
Jacobs Foundation
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (159349)
Article History
Received: 8 November 2018
Accepted: 30 August 2019
First Online: 5 September 2019
Compliance with ethical standards
:
: Marko Katana, Christina Röcke and Mathias Allemand declare that they do not have any 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. Informed consent was obtained from all individual participants included in the study.