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Authors
Knape, Ludwig
Dhein, Stefan https://orcid.org/0000-0002-4946-4012
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Article History
Received: 12 July 2019
Accepted: 12 December 2019
First Online: 2 January 2020
Compliance with ethical standards
: The investigation has used only anonymous data of anonymous death certificates without any intervention and is covered by the Thuringian and German laws about the duties of the public heath administration so that a need for specific ethical approval does not apply.
: The authors declare that they have no conflict of interest with any third party.
