Vasculitis

• Cedars-Sinai Medical Center — Los Angeles, California, United States
• Johns Hopkins Medical Center — Baltimore, Maryland, United States
• Boston University — Boston, Massachusetts, United States
• Mayo Clinic — Rochester, Minnesota, United States

• National Eye Institute (NEI) — Bethesda, Maryland, United States

• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States

• University of South Florida — Tampa, Florida, United States
• University of Pennsylvania — Philadelphia, Pennsylvania, United States

• University of Alabama — Birmingham, Alabama, United States
• Johns Hopkins University — Baltimore, Maryland, United States
• Boston University — Boston, Massachusetts, United States
• Mayo Clinic Foundation — Rochester, Minnesota, United States

Not specified

• General Faculty Hospital — Prague, Czechia
• Reumatologisk Klinik — Copenhagen, Denmark
• Universitatsklinikum Schleswig-Holstein — Lübeck, Germany
• University Hospital Maastricht — Maastricht, Netherlands

• Cleveland Clinic Main Campus, Section of Vascular Medicine — Cleveland, Ohio, United States

• University Hospital of Basel, Rheumatology Division — Basel, Basel Town, Switzerland
• Swiss Tropical and Public Health Institute — Basel, Basel Town, Switzerland
• Cantonal Hospital Aarau, Division of Rheumatology — Aarau, Canton of Aargau, Switzerland
• University of Bern, Inselspital, Division of Infectious Diseases and Travel Medicine — Bern, Canton of Bern, Switzerland

• University of South Florida Data Management and Coordinating Center — Tampa, Florida, United States