Funding for this research was provided by:
German Ministry of Defense (12K2-S-451315)
European Funds for Regional Development (EU-EFRE)
Text and Data Mining valid from 2019-04-08
Received: 3 January 2018
Accepted: 28 March 2019
First Online: 8 April 2019
Ethics approval and consent to participate
: Ethical approval for this retrospective study using residual materials was granted by the Ethics Committee of the Medical Association of Hamburg (document number WF-028/13) in line with national and ICH-GCP guidelines. Consent for the anonymous use of the materials was not demanded by the ethics committee. In detail, because the anonymized samples cannot be assigned to a human being, the project did not constitute a research project on humans according to the definitions of § 9 (2) of the Hamburg Medical Association Act for health professions and was also not restricted by § 15 (1) of the Professional Regulations for physicians in Hamburg, Germany.
: Not applicable.
: The authors declare that they have no competing interests.
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