Hammond, Ben, Baranskaya, Aliaksandra, Adderley, Nicola, Zemedikun, Dawit, d’Elia, Alexander, Falahee, Marie, Mallen, Christian, Insch, Elspeth, Singh Chandan, Joht, Nirantharakumar, Krishnarajah, Snell, Kym, Raza, Karim, "Protocol for the development and validation of a Rheumatoid Arthritis PredIction moDel using primary care health records (RAPID)", ,