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Funding
Funding for this research was provided by:
Hamburg Ministry of Interior (not applicable)
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Article History
Received: 28 May 2019
Accepted: 23 January 2020
First Online: 6 February 2020
Compliance with ethical standards
:
: Ingo Fiedler, Sylvia Kairouz, and Jennifer Reynolds declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
