Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01GY1804)
Received: 11 July 2019
Accepted: 22 July 2019
First Online: 29 July 2019
Ethics approval and consent to participate
: The study was approved by the local ethic committee of the Jena University Hospital. All patients give written informed consent before participating in the study.
: Not applicable.
: The authors declare that they have no competing interests.