Funding for this research was provided by:
Received: 30 July 2018
Accepted: 28 November 2018
First Online: 10 January 2019
Ethics approval and consent to participate
: This study was approved by the regional ethics committees in Sweden (EPN Lund; 2014/306) and in the UK (East of Scotland Research Ethics Service; 14/ES/1075), and was performed in accordance with the Declaration of Helsinki. All participants provided written informed consent prior to inclusion into the study.
: Not applicable.
: SSi is employed by Pharmacosmos A/S, Denmark. The other authors declare that they have no competing interests.
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