Funding for this research was provided by:
Helse Sør-Øst RHF
Text and Data Mining valid from 2019-01-05
Received: 18 May 2018
Accepted: 21 December 2018
First Online: 5 January 2019
Ethics approval and consent to participate
: All patients enrolled in the Norwegian Heart Failure Registry had given written informed consent prior to inclusion in the database. The study was approved by the Regional Committee of Medical Research Ethics South East (Ref. no. 2014/1449).
: Not applicable.
: The authors declare that they have no competing interests.
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