Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (031A428D, 031A428C)
Text and Data Mining valid from 2019-07-01
Received: 21 February 2019
Accepted: 8 May 2019
First Online: 1 July 2019
Ethics approval and consent to participate
: Tissue usage is covered by a statement of the internal review board of the Medical Faculty of the Christian-Albrechts-University Kiel, Germany (No. 447/10).
: Not applicable.
: The authors declare that they have no competing interests.
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