Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01ER0808, 01EA1408A)
Text and Data Mining valid from 2019-03-07
Received: 1 August 2018
Accepted: 26 February 2019
First Online: 7 March 2019
Change Date: 25 April 2019
Change Type: Correction
Change Details: Following publication of the original article , the authors reported an error in Table 3. The correct Table 3 is provided below.
Ethics approval and consent to participate
: All participants gave informed consent and the study was approved by the Ethics Committee of the Medical Association of the State of Brandenburg [CitationRef removed].
: The manuscript does not report on individual participant’s data and does not require consent to publish.
: The authors declare that they have no competing interests.
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