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Authors
Oettinger, Vera https://orcid.org/0000-0003-4460-2102
Stachon, Peter https://orcid.org/0000-0002-3796-1476
Hilgendorf, Ingo https://orcid.org/0000-0002-0024-1643
Heidenreich, Adrian
Zehender, Manfred
Westermann, Dirk https://orcid.org/0000-0002-7542-1956
Kaier, Klaus https://orcid.org/0000-0003-0837-6945
von zur Mühlen, Constantin https://orcid.org/0000-0003-2767-8009
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Funding
Funding for this research was provided by:
Universitäts-Herzzentrum Freiburg - Bad Krozingen GmbH
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Article History
Received: 29 April 2022
Accepted: 6 September 2022
First Online: 6 October 2022
Declarations
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: The authors declare that they have no conflict of interest.
: Our study did not involve direct access by the investigators to data on individual patients but only access to summary results provided by the Research Data Center of the Federal Bureau of Statistics. Therefore, approval by an ethics committee and informed consent were determined not to be required, in accordance with German law.
