1. Interface Clinical Services Ltd, Schofield House, Gate Way Drive, Yeadon Leeds LS19 7XY, UK
2. Academic Health Science Network–North East and North Cumbria, Room 2.13, Biomedical Research Building, The Campus for Ageing and Vitality, Nuns’ Moor Road, Newcastle upon Tyne NE4 5PL, UK
3. NHS Newcastle Gateshead CCG, Newcastle upon Tyne, UK
4. Department of Rheumatology, Northumbria Healthcare NHS Foundation Trust
5. Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne NE2 4HH, UK