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Authors
Hammer, Antje
Arah, Onyebuchi A.
Mannion, Russell
Groene, Oliver
Sunol, Rosa
Pfaff, Holger
Choi, Kyung-Eun
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Funding
Funding for this research was provided by:
European Community’s Seventh Framework Programme (241822, 241822, 241822, 241822, 241822, 241822)
Universitätsklinikum Köln
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Article History
Received: 28 January 2021
Accepted: 20 September 2021
First Online: 1 October 2021
Declarations
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: DUQuE fulfills all the requirements for research projects in the 7th framework of EU DG. Ethical approval was obtained also by the project coordinator at the Bioethics Committee of the Health Department of the Government of Catalonia, Spain. National legislation or standards of practice available in each country regarding confidentiality were complied with. The study has been performed in accordance with the Declaration of Helsinki. Written informed consent was obtained by all participants.
: Not applicable.
: Prof. Holger Pfaff is a member of the editorial board of BMC Health Services Research. All other authors declare that they have no competing interests.
