Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (TH 896/3-4)
Interdisciplinary Centre for Clinical Research Erlangen (F4)
ELAN Fond (14-08-06-1)
Text and Data Mining valid from 2019-02-11
Received: 17 October 2018
Accepted: 3 February 2019
First Online: 11 February 2019
Ethics approval and consent to participate
: Informed written consent was obtained for all participants. The study was approved by the Ethical Committee of the Medical Faculty of the Friedrich-Alexander-Universität Erlangen-Nürnberg (180_15Bc).
: Informed written consent for publication was obtained for all participants.
: The authors declare that they have no competing interests.
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