Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (BMBF 01GL1805)
Received: 19 September 2019
Accepted: 3 March 2020
First Online: 17 March 2020
Ethics approval and consent to participate
: Ethics Approval from the Committee of the Medical Center – University of Freiburg has been obtained: 183/19; 23.07.2019, as well as from the Ethics Committees of Tübingen for the sites Tübingen and Filderstadt 561/2019BO1, 21.10.2019, Witten/Herdecke 150/2019, 31.07.2019, Ulm 284/19, 01.08.2019, and Essen 19–8908-BO, 18.02.2020; Berlin relies on the vote from Freiburg). Written informed consent to participate in the study will be obtained from all participants.The trial is registered in the German Clinical Trials Register, ExternalRef removed DRKS00016609, 30th July 2019.
: Not applicable.
: The authors declare that they have no competing interests.