Oswald, Veronica http://orcid.org/0000-0002-8222-8388
Wagner, Michael http://orcid.org/0000-0002-0214-2403
Funding for this research was provided by:
Ministerium für Kultur und Wissenschaft des Landes Nordrhein-Westfalen (323-8.03-125240)
Universität zu Köln
Article History
Accepted: 9 January 2023
First Online: 21 February 2023
Declarations
:
: The authors declare that there is no conflict of interest.
: The survey NRW80+has an ethical permit (17-169) from the Ethics Commission of Cologne University’s Faculty of Medicine.