Funding for this research was provided by:
Bundesministerium für Gesundheit (GE20160324)
Deutsches Diabetes-Zentrum (DDZ)
Received: 23 April 2021
Accepted: 15 September 2021
First Online: 11 October 2021
: This study solely relies on publically available data. Therefore, consent to participate is not required. The Ethics Board of the University Hospital Düsseldorf has confirmed that in case of published data, no review of the Ethics Board is necessary.
: Not applicable.
: The authors declare that they have no conflict of interests.