Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (FE551/3-1, SO885/1-1)
Medical Faculty of the Heinrich-Heine University Duesseldorf (44/2013)
Bundesministerium für Bildung und Forschung (01KS9602)
Text and Data Mining valid from 2018-09-20
Received: 24 July 2017
Accepted: 6 September 2018
First Online: 20 September 2018
Ethics approval and consent to participate
: All tissue samples were obtained with the patients’ informed consents (ethical consent of the Medical Faculty Tuebingen: AZ.266/98).
: Patients have consented that personal data can be used for publication in an anonymized format.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.