Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (271518504)
Received: 8 December 2020
Accepted: 21 January 2021
First Online: 2 February 2021
Ethics approval and consent to participate
: The study will be conducted according to the principles of the Declaration of Helsinki and the standards of good clinical practice. The Ethics Committee of the Medical Faculty at the Carl von Ossietzky University Oldenburg approved this study on the 29th of November 2018 (reference number: 2018–090). All data collection and storage were approved by the data security officer of the University Oldenburg. USUMA GmbH has signed a data processing agreement according to Article 28 paragraph 3 GDPR. All persons participating in the study will be informed in detail about the sense, purpose and course of the project as well as the handling of the collected data. Oral informed consent will be obtained before inclusion in the study via telephone. This approach was approved by the Ethics Committee of the Medical Faculty at the Carl von Ossietzky University Oldenburg. In addition, written informed consent will be obtained from persons participating in the qualitative interviews. Participation in the interviews is, of course, voluntary and can be withdrawn at any time, without stating any reason and without consequences for the interviewee. Collected data will then be deleted.
: Not applicable.
: AKR, JLM and ALB declare that they have no competing interests.