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Authors
Wistrand, Camilla http://orcid.org/0000-0003-0435-8424
Söderquist, Bo
Falk-Brynhildsen, Karin
Nilsson, Ulrica
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Funding
Funding for this research was provided by:
Örebro Universitet
Universitetssjukhuset Örebro
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Article History
Received: 22 May 2017
Accepted: 5 September 2018
First Online: 17 September 2018
Ethics approval and consent to participate
: The study has been performed in accordance with Declaration of Helsinki and the study is registered prospectively at Researchweb (FOU in Sweden, 117,971) and registered retrospectively at ClinicalTrials.gov (NCT02359708). The study was approved by the Regional Ethical Review Board of Uppsala (reference number 2013/283), by the chairman Erik Lempert. The study was voluntary, oral and written informed consent was obtained from all participants before data collection.
: Not applicable.
: The authors declare that they have no competing interests.
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