Funding for this research was provided by:
Medical Research Council (MC_PC_12019)
National Institute for Health Research (none)
Received: 3 January 2018
Accepted: 28 June 2018
First Online: 26 September 2018
Ethics approval and consent to participate
: The study was carried out according to the principles of the Declaration of Helsinki. Approval for the healthy participant study was granted by the local research ethics committee. Approval for the patient study was granted by the East Midlands Research Ethics Committee - Nottingham 1 (Ref 12/EM/0401). Written informed consent was obtained from all participants.
: See “Ethics approval and consent to participate”.
: The authors have no financial or non-financial competing interests.
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