Funding for this research was provided by:
Wellcome / EPSRC Centre for Medical Engineering (WT 203148/Z/16/Z)
National Institute for Health Research (NIHR) Biomedical Research Centre at South London and Maudsley NHS Foundation Trust and King’s College London
Received: 19 May 2020
Accepted: 21 November 2020
First Online: 3 December 2020
Ethics approval and consent to participate
: The study had ethical approval from the NHS Ethical Committee (NRES South East Coast, Surrey, Ref: 13/LO/0146), the local Research and Development offices and the Administration of Radioactive Substances Advisory Committee (ARSAC, Certificate RPC 261/3186/29926). All procedures were performed in accordance with the ethical standards of the research committee and with the 1964 Helsinki Declaration and its later amendments. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.