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Authors
Hummelink, Stefan https://orcid.org/0000-0002-8550-2127
Verhulst, Arico C.
Maal, Thomas J. J.
Ulrich, Dietmar J. O.
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Funding
Funding for this research was provided by:
Radboud University Medical Center
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Article History
Received: 1 May 2018
Accepted: 4 June 2018
First Online: 16 June 2018
Compliance with ethical standards
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: Stefan Hummelink, Arico C. Verhulst, Thomas J. J. Maal and Dietmar J. O. Ulrich declare that they have no conflict of interest.
: None.
: 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.
