Czwikla, Jonas http://orcid.org/0000-0002-1171-4717
Herzberg, Alexandra
Kapp, Sonja
Kloep, Stephan
Rothgang, Heinz
Nitschke, Ina
Haffner, Cornelius
Hoffmann, Falk
Funding for this research was provided by:
Innovation Committee of the Federal Joint Committee (01NVF17003)
Carl von Ossietzky Universität Oldenburg
Article History
Received: 21 January 2022
Accepted: 9 June 2022
First Online: 8 July 2022
Declarations
:
: The study was approved by the University of Bremen Ethics Committee on 21 March 2018 (reference number “MundPflege”). Informed consent for participation in the RCT was obtained from all participants or, if applicable, their legal guardians. Since the non-response analysis was based only on pseudonymous claims data, informed consent for this part of the study was not required by law.
: Not applicable.
: The authors declare that they have no competing interests.