Haslberger, Phillip http://orcid.org/0000-0002-8043-9931
Holly, Sylvia
Ernst, Wolfgang
Schnitzer, Ronald
Funding for this research was provided by:
Österreichische Forschungsförderungsgesellschaft (843523)
Article History
Received: 27 November 2017
Accepted: 15 January 2018
First Online: 24 January 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.