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Authors
Engstrand, Jennie https://orcid.org/0000-0003-1123-7022
Nilsson, Henrik
Strömberg, Cecilia
Jonas, Eduard
Freedman, Jacob
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Funding
Funding for this research was provided by:
Karolinska Institutet (Björnsson-Karlssons fond)
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More Information
Article History
Received: 19 April 2017
Accepted: 14 December 2017
First Online: 15 January 2018
Ethics approval and consent to participate
: Ethical approval for the study was obtained from the Regional Ethical Review Board in Stockholm. Because of the retrospective nature of the study, informed consent was waived.
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
