Data availability statement: Raw data, beyond those displayed in this article, are not shared.
Acknowledgements: The authors would like to express sincere gratitude to the participants who gave their time to participate in this research and to Coeliac UK who kindly shared the study advert. This research was conducted as part of a University of Oxford Clinical Psychology Doctoral Health Education England funded programme. Draft version 1.0, 30.07.21. This article has not yet been peer reviewed. Please do not copy or cite without authors' permission.