Received: 18 June 2020
Accepted: 4 September 2020
First Online: 15 September 2020
Ethics approval and consent to participate
: All procedures involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All procedures performed in research involving animals were in accordance with the ethical standards of Directive 2010/63/EU. Formal consent from the local Ethics Committee was obtained (Ethical committee of the Medical Council Westfalen-Lippe and Westphalian Wilhelms-University Muenster, Germany; Ref. number 2016-485-f-S).All patients whose tissues were included in this study gave written consent to participation in this study and publication of findings in an anonymous fashion.
: Not applicable.
: The authors declare that they have no competing interests.