Funding for this research was provided by:
Health Services Research Programme (P69339)
Received: 11 February 2020
Accepted: 25 March 2020
First Online: 3 April 2020
Ethics approval and consent to participate
: Study 1, using eye-gaze tracking, was classified as a service evaluation (ID: 283) and registered as such within the Imperial College London NHS Trust; Study 2 received approval from the Health Research Authority (19/HRA/0517), which is an executive non-departmental public body of the Department of Health in the UK. Informed written consent was obtained from all participants, and no payment was given in exchange for participation.
: Not applicable.
: We declare no conflict(s) of interest associated with this research.