Funding for this research was provided by:
Wellcome Trust (206853/Z/17/Z)
Received: 31 October 2019
Accepted: 8 January 2020
First Online: 15 January 2020
Ethics approval and consent to participate
: Ethics approval was obtained from the Faculty of Science Research Ethics Committee at the University of Bristol (Ethics approval code: 68724). Participants received information and contact details of the study team at the start of the online study and given sufficient time to read the information, consider any implications, and raise any questions prior to deciding to participate. Participants were informed that they were free to withdraw at any time by closing their browser. Consent was then obtained by asking participants to confirm they had read a series of statements and provide final consent that they were happy to continue before starting the study.
: Not applicable.
: The authors declare that they have no competing interests.