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Authors
Grohmann, Carsten http://orcid.org/0000-0003-1382-1695
Dimopoulos, Spyridon
Bartz-Schmidt, Karl Ulrich
Schindler, Philipp
Katz, Toam
Spitzer, Martin S.
Skevas, Christos
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Article History
Received: 22 November 2019
Accepted: 21 June 2020
First Online: 2 July 2020
Ethics approval and consent to participate
: We report a study where only retrospective anonymous data was taken into account, and therefore, there is no need for ethics approval. The investigation adhered to the tenets of the declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
