Funding for this research was provided by:
Carl von Ossietzky Universität Oldenburg
Received: 15 January 2023
Accepted: 5 April 2023
First Online: 20 April 2023
: A positive vote of the medical ethical committee of the Carl von Ossietzky University Oldenburg was available (No. 2020-061), and the study was registered at the German clinical trials registry (DRKS00022433). Informed consent was obtained via telephone, or, if requested by the participant, via (E-)mail, prior to the beginning of the interview. All methods were carried out in accordance with the Declaration of Helsinki.
: Not applicable.
: All data were received from milon® industries, without any financial support or influence on analysis or reporting of results. All authors have no competing interests.