Funding for this research was provided by:
ALF Stockholm Council
Text and Data Mining valid from 2018-06-25
Received: 17 August 2017
Accepted: 3 June 2018
First Online: 25 June 2018
Ethics approval and consent to participate
: The study was performed at the Karolinska University Hospital, Stockholm, Sweden. The Ethics Committee of Karolinska Institutet, Stockholm approved the study. All the participants in the study gave their written informed consent following verbal and written information.
: Bengt Lindholm is employed by Baxter Healthcare Corporation. None of the other authors declare any conflict of interest.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.