1. Corporal Michael J. Crescenz Veterans Affairs Medical Center (Philadelphia); Philadelphia PA U.S.A.
2. Department of Dermatology at the Perelman School of Medicine at the University of Pennsylvania; Pennsylvania PA U.S.A.
3. Biostatistics and Epidemiology at the Hospital of the University of Pennsylvania; Pennsylvania PA U.S.A.
4. Division of Rheumatology; Cedars-Sinai Medical Center; Los Angeles CA U.S.A.
5. Division of Rheumatology; Northwell Health; Great Neck NY U.S.A.
6. Department of Dermatology; Stanford University School of Medicine; Stanford CA U.S.A.