1Rheumatology Department, University Hospitals Birmingham NHS Foundation Trust, Birmingham
2Rheumatology Department, Newcastle upon Tyne Hospitals NHS Foundation Trust
3Interdisciplinary Computing and Complex BioSystems Research Group, School of Computing Science, Newcastle University, Newcastle
4Musculoskeletal Research Group, Institute of Cellular Medicine & Newcastle NIHR Biomedical Research Centre for Ageing and Chronic Diseases, Newcastle University, Newcastle upon Tyne
5Rheumatology Department, Great Western Hospitals NHS Foundation Trust, Swindon
6Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital
7NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds Teaching Hospitals Trust, Leeds
8Rheumatology Department, Nottingham University Hospital, Nottingham
9Department of Experimental Medicine and Rheumatology, Barts and the London NHS Trust and Barts and the London School of Medicine and Dentistry, London
10Rheumatology Department, Gartnavel General Hospital, Glasgow
11Rheumatology Department, NHS Fife, Whyteman’s Brae Hospital, Kirkcaldy
12Rheumatology Department, Royal Hampshire County Hospital, Winchester
13Rheumatology Department, Royal Derby Hospital, Derby
14Rheumatology Department, University College London Hospitals NHS Foundation Trust, London
15Rheumatology Department, Queen Elizabeth Hospital, Gateshead
16Rheumatology Department, Sunderland Royal Hospital, Sunderland
17Rheumatology Department, Southend University Hospital, Southend
18Rheumatology Department, Royal National Hospital for Rheumatic Diseases, Bath
19Rheumatology Department, Portsmouth Hospitals NHS Trust, Portsmouth
20Rheumatology Department, Aintree University Hospitals, Liverpool
21Rheumatology Department, Basildon Hospital, Basildon
22Rheumatology Department, Royal Hallamshire Hospital, Sheffield
23Centre for Translational Inflammation Research, University of Birmingham, Birmingham
24Department of Oral Medicine, Birmingham Dental Hospital, Birmingham, UK
*on Behalf of the UK Primary Sjögren’s Syndrome Registry*
*Correspondence to: Simon J. Bowman, Rheumatology Department, Queen Elizabeth Hospital, Edgbaston, Birmingham B15 2TH, UK. E-mail: simon.bowman@uhb.nhs.uk
*For other collaborators in the UK Primary Sjögren’s Syndrome Registry, see Acknowledgements section.