Niehaus, Richard
Zingg, Patrick O.
Luttenberger, Martin
Dora, Claudio
Article History
Received: 2 February 2020
Accepted: 22 April 2020
First Online: 4 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This research has been approved by the Ethical Commission Zürich.
: All procedures performed 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.