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Authors
Exner, Anna
Kleinstäuber, Maria https://orcid.org/0000-0002-4453-507X
Maier, Wolfgang
Fuchs, Angela
Petersen, Juliana J.
Schäfer, Ingmar
Gensichen, Jochen
Riedel-Heller, Steffi G.
Weyerer, Siegfried
Bickel, Horst
König, Hans-Helmut
Wiese, Birgitt
Schön, Gerhard
Scherer, Martin
van den Bussche, Hendrik
Terluin, Berend
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Funding
Funding for this research was provided by:
German Federal Ministry of Education and Research (01ET0725-31, 01ET1006A-K)
Netherlands Organization for Scientific Research (176.010.2005.017)
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Article History
Accepted: 20 June 2018
First Online: 27 June 2018
Compliance with ethical standards
:
: BT is the copyright owner of the 4DSQ and receives copyright fees from companies that use the 4DSQ on a commercial basis (the 4DSQ is freely available for non-commercial use in health care and research). BT received fees from various institutions for workshops on the application of the 4DSQ in primary care settings. All other authors declare that they have no conflict of interests.
: The study protocol of this trial was approved by the Ethics Committee of the Medical Association of Hamburg in February 2008 and amended in November 2008 (Approval-No. 2881). 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.
