Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (Subproject No. 7)
Received: 12 June 2019
Accepted: 4 September 2019
First Online: 18 September 2019
Ethics approval and consent to participate
: The study was approved by the local Medical Ethical Committee of the Charité – Universitätsmedizin, Berlin, Germany. All patients provided informed consent to participate in the study.
: All patients provided informed consent to publish the data.
: The authors declare that they have no competing interests.