1 Division of Epidemiology and Public Health, Clinical Sciences Building 2, City Hospital Campus, University of Nottingham, NG5 1PB, UK.
2 School of Pharmacy, University of Nottingham, UK
3 Research Institute for Primary Care & Health Sciences, Primary Care Sciences, Keele University, UK
4 NIHR Nottingham Biomedical Research Centre at the Nottingham University Hospitals NHS Trust and University of Nottingham, Nottingham, UK.
5 Nottingham Digestive Diseases Centre, School of Medicine, University of Nottingham
6 School of Medicine & Dentistry, Harrington building, University of Central Lancashire, Preston PR17BH
Source of funding: Coeliac UK
Conflict of interests: None declared
Data and code: The data used in the article were acquired from the Clinical Practice Research Datalink under a license to the University Of Nottingham. These data are not permitted to be distributed to third parties, but are available from CPRD following acquisition of the appropriate approvals and payment.
Corresponding author: Division of Epidemiology and Public Health, Clinical Sciences Building 2, City Hospital Campus, University of Nottingham, NG5 1PB, UK. E-mail: email@example.com, Telephone: +44 (0)1158231345