1 Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham.
2 School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow; Consultant Paediatric Diabetologist, Children's & Young People's Diabetes Service, Royal Hospital for Children, Glasgow.
3 Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham; Consultant Diabetologist, Department of Diabetes, University Hospitals of Birmingham, Birmingham.
4 Clinical Research Lead for Primary Care (West Midlands), National Institute for Health and Care Research; Clinical Research Fellow, Institute of Applied Health Research, University of Birmingham, Birmingham.