Crameri, Aureliano http://orcid.org/0000-0003-0669-6398
Tschuschke, Volker
Koemeda, Margit
Schulthess, Peter
von Wyl, Agnes
Article History
First Online: 6 March 2019
Compliance with Ethical Standards
:
: The 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. A research application was submitted to the ethics committees of each of the Swiss cantons in which the project was carried out; all of the applications were approved.
: Written informed consent was obtained from all individual participants included in the study.