Fröhlich, Stefan
Helbling, Moritz
Fucentese, Sandro F.
Karlen, Walter
Frey, Walter O.
Spörri, Jörg http://orcid.org/0000-0002-0353-1021
Funding for this research was provided by:
Balgrist Foundation (ISPA Project)
Stiftung Passion Schneesport (ISPA Project)
Stiftung zur Förderung des alpinen Skisportes in der Schweiz (ISPA Project)
Swisss-Ski (ISPA Project)
Article History
Received: 11 December 2019
Accepted: 11 June 2020
First Online: 16 June 2020
Compliance with ethical standards
:
: The authors have no relevant conflict of interest to declare.
: The current study was approved by the institutional review board of the Balgrist University Hospital and the cantonal ethic committee (KEK-ZH-NR: 2017-01395), and was performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments.
: Written informed consent was obtained from all participants.