Funding for this research was provided by:
Wellcome/EPSRC Centre for Medical Engineering grant (WT 203148/Z/16/Z)
Medical Research Council-UK (MC-A656-5QD30)
Wellcome Trust (no. 094849/Z/10/Z)
Received: 6 December 2019
Accepted: 27 March 2020
First Online: 5 May 2020
Change Date: 14 July 2020
Change Type: Correction
Change Details: An amendment to this paper has been published and can be accessed via the original article.
Ethics approval and consent to participate
: Ethics approval was in place for all participants taking part in the scans that contributed to this publication. The Ethics Committees were North East York Research Ethics Committee (ref 15/NE0203) and West London and GTAC Research Ethics Committee (ref 15/LO/0130). Written informed consent was obtained from all subjects before taking part in each study.
: Not applicable
: The authors declare that they have no competing interests.