Funding for this research was provided by:
The Regional Research Committee of the Uppsala-Örebro region (RFR-641661)
Text and Data Mining valid from 2019-04-30
Received: 24 October 2018
Accepted: 25 March 2019
First Online: 30 April 2019
Ethics approval and consent to participate
: The regional ethics committee in Uppsala, Sweden approved of the registry-based study (Dnr 2017/405), without requiring informed consent from the patients.
: Not applicable
: The authors’ declare that they have no competing interests.
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