Funding for this research was provided by:
FP7 Health (FP7-HEALTH-F2-2012-305549)
Riksbankens Jubileumsfond (M13-0260:1)
NIHR Biomedical Research Centre
Received: 19 April 2018
Accepted: 24 September 2018
First Online: 6 November 2018
Ethics approval and consent to participate
: Ethical approval was obtained from the Humber Bridge National Research Ethics Committee (UK), from the Ethics Committee of the Medical University of Vienna (Austria) and from the Ethics Committee of the University of Erlangen-Nuremberg (Germany). All participants gave their written informed consent.
: We have received written informed consent from all our interviewees to publish the details, including the anonymised quotes from the interviews, contained within this manuscript.
: Rebecca Jayne Stack is an editorial board member for this journal. All other authors declare they have no conflicts of interests.
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