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Authors
Hagen, Tobias https://orcid.org/0000-0003-3717-7929
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Funding
Funding for this research was provided by:
Federal Social Insurance Office(FISO), Switzerland
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Article History
First Online: 9 March 2018
Compliance with Ethical Standards
:
: Author Tobias Hagen declares that he has 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.
