Funding for this research was provided by:
Bundesministerium für Bildung und Forschung
Deutsche Diabetes Gesellschaft
European Foundation for the Study of Diabetes
Robert Koch Institut
Received: 29 November 2019
Accepted: 17 March 2020
First Online: 22 April 2020
Ethics approval and consent to participate
: The DPV initiative and the analysis of anonymized data related to quality of care were approved by the ethics committee of the University of Ulm. The institutional review boards at each participating centre confirmed protection of patient primary rights.
: Not applicable.
: The authors declare that they have no competing interests.