Funding for this research was provided by:
Statutory Health Insurance Funds
Received: 10 August 2017
Accepted: 3 May 2018
First Online: 18 May 2018
Ethics approval and consent to participate
: The ethical committee of the University Magdeburg has been notified. The ethical committee stated in April 2016 that no vote is necessary as EVA64 is an analysis of anonymous data.
: The Technische Universität Dresden, the University Magdeburg and WIG2 received funding for this study. This funding did not have any influence on the design, methods and evaluation of the study.
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