Stewart, Julian A. https://orcid.org/0000-0003-2100-5743
Aebischer, Vera
Egloff, Niklaus
Wegmann, Barbara
von Känel, Roland
Vögelin, Esther
grosse Holtforth, Martin
Article History
First Online: 27 February 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts 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.