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Authors
Ansmann, Lena
Hower, Kira Isabel
Wirtz, Markus Antonius
Kowalski, Christoph
Ernstmann, Nicole
McKee, Lorna
Pfaff, Holger
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Funding
Funding for this research was provided by:
Landeszentrum Gesundheit Nordrhein-Westfalen (none existent)
Royal Society of Edinburgh (none existent)
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Article History
Received: 18 December 2019
Accepted: 12 March 2020
First Online: 31 March 2020
Ethics approval and consent to participate
: This study received ethical approval from the Ethics Committee of the Medical Faculty of the University of Cologne. Written informed consent was obtained from all study participants.
: Not applicable, since no individual data of the participants is being published.
: Holger Pfaff is a member of the editorial board of BMC Health Services Research.
