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Authors
Ratzmann, Anja
Welk, Alexander
Hoppe, Stephanie
Fanghaenel, Jochen
Schwahn, Christian
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Article History
Received: 8 July 2020
Accepted: 18 November 2020
First Online: 16 December 2020
Ethics approval
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee of the Ärztekammer Mecklenburg-Vorpommern (Reg. Nr.III UV 15/08) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable.
: All authors declare that they have no competing interests.
