Gutzwiller, Jean-Pierre
Richterich, Jean-Pierre
Stanga, Zeno
Nydegger, Urs E.
Risch, Lorenz
Risch, Martin
Funding for this research was provided by:
INOVA Research Foundation, Principality of Lichtenstein
Article History
Received: 23 June 2017
Accepted: 7 May 2018
First Online: 15 May 2018
Ethics approval and consent to participate
: Ethical approval for the present study was obtained from the Cantonal Ethics Committee of Bern (KEK Bern, Study Nr 166/08), Bern, Switzerland.Written informed consent was obtained from all participants prior to the baseline assessments.
: The authors declare that they have no competing interests.
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