Funding for this research was provided by:
Programme Grants for Applied Research (RP-PG-0611-20002)
Received: 14 November 2017
Accepted: 27 February 2018
First Online: 9 March 2018
: ST, MC, AC and ML are researchers with a psychology background. AF is a post-doctoral researcher. MPC is a clinical psychiatrist and PhD candidate. SP is clinical-academic psychiatrist.
: The study was granted ethics approval by the National Research Ethics Service Committee South West - Exeter of the Health Research Authority. Reference 14/SW/1011. All participants provided written consent after having been informed about the nature of the study.
: Not applicable.
: The authors declare that they have no competing interests.
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