Cohort profile: SCREEN-RA: design, methods and perspectives of a Swiss cohort study of first-degree relatives of patients with rheumatoid arthritis

Gilbert B, Moeller B, Kyburz D, Rubbert-Roth A, Courvoisier D, Studer O, Trunk E, Lauper K, Mongin D, Lamacchia C, Finckh A. Cohort profile: SCREEN-RA: design, methods and perspectives of a Swiss cohort study of first-degree relatives of patients with rheumatoid arthritis. BMJ Open 2021; 11:e048409.