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Authors
Friederichs, Hendrik https://orcid.org/0000-0001-9671-5235
Birkenstein, Roman
Becker, Jan C.
Marschall, Bernhard
Weissenstein, Anne
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Article History
Received: 14 August 2019
Accepted: 7 July 2020
First Online: 14 July 2020
Ethics approval and consent to participate
: Participants were asked to complete the Berlin Numeracy Test voluntarily and anonymously. To achieve maximum transparency, all participants had to verbally agree to participate. Additionally, they provided their informed consent prior to the study by reading the background information and choosing to provide data. An extra written consent was not obtained. The study and the use of only verbal consent was approved by the Ethics Committee of the Chamber of Physicians at Westfalen-Lippe and the Medical School of Westphalian Wilhelms University in Münster (2015–308-f-S).
: Not applicable.
: The authors declare that they have no competing interests.
