Vasculitis, Central Nervous System

• Queen Elizabeth The Queen Mother Hospital — Canterbury, Kent, United Kingdom
• Whiston Hospital — Prescot, Merseyside, United Kingdom
• Nevill Hall Hospital, Aneurin Bevan University Health Board — Abergavenny, United Kingdom
• Stoke Mandeville Hospital, Buckinghamshire Healthcare NHS Trust — Aylesbury, United Kingdom

• Département de Medecine interne et d'immunologie clinique - hôpital La Pitié Salpetrière — Paris, France

• ASST Fatebenefratelli-Sacco — Milan, Lombardy, Italy

• Hopital Fondation Adolphe de Rothschild — Paris, France

• Clinic of Internal Medicine III, Department of Oncology, Haematology, Rheumatology and Clinical Immunology, University Hospital Bonn — Bonn, North Rhine-Westphalia, Germany
• University Hospital Bonn — Bonn, Germany

• Led og Bindevævssygdomme, Aarhus University Hospital — Aarhus, Denmark
• Medicinsk klinik 2, Regionshospitalet Horsens — Horsens, Denmark

• Skåne University Hospital, section for rheumatology — Lund, Sweden

Not specified

• University of Edinburgh — Edinburgh, City Of Edinburgh, United Kingdom

• Royal Free London NHS Foundation Trust — London, Greater London, United Kingdom
• King's College London — London, Greater London, United Kingdom
• Imperial College Healthcare NHS Trust — London, Greater London, United Kingdom