Sources: “Updated Assessment of the Prevalence, Spectrum and Case Definition of Autoimmune Disease,” by Scott M. Hayter and Matthew C. Cook, in Autoimmunity Reviews, Vol. 11; August 2012; “Autoimmunity and Autoimmune Co-morbidities in Psoriasis,” by Kazuhisa Furue et al., in Immunology, Vol. 154; February 2018 ( psoriasis ); “The Global Prevalence of Rheumatoid Arthritis: A Meta-analysis Based on a Systematic Review,” by Khalid Almutairi et al., in Rheumatology International, Vol. 41; May 2021 ( rheumatoid arthritis ); Consultants: Matthew C. Cook (John Curtin School of Medical Research); DeLisa Fairweather (Mayo Clinic); Aimee Payne (Clinical Autoimmunity Center of Excellence, University of Pennsylvania)
