Funding for this research was provided by:
Received: 6 December 2017
Accepted: 24 May 2018
First Online: 28 June 2018
Ethics approval and consent to participate
: The study was approved by the Regional ethics committee, Lund (# 741/2004). All patients gave their written informed consent to participate in the study.
: Einar Heiberg is founder of the company Medviso AB, producing medical image analysis software. Håkan Arheden, Marcus Carlsson and Henrik Engblom are consultants at Imacor AB (core laboratory for MR image analysis). All other authors declare that they have no competing interests.
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