1 International Society for Behçet's Disease, Dessau, Germany.
2 Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg, Dessau, Germany.
3 Departments of Internal Medicine and Immunology, Division of Allergy and Clinical Immunology, Academic Center for Rare Systemic Immune Diseases, Erasmus MC University Medical Center, Rotterdam, The Netherlands.
4 Department of Internal Medicine, Clinic II, Medical University of Innsbruck, Innsbruck, Austria.
5 Department of Experimental and Clinical Medicine, University of Firenze, Firenze, Italy.
6 Centre for Oral Immunobiology and Regenerative Medicine, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK.
7 Oral Medicine Unit, Institute of Dentistry, Dental Hospital and Behçet's Centre of Excellence, Royal London Hospital, Barts Health NHS Trust, London, UK.
8 Division of Rheumatology, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey.
9 Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, Yokohama, Japan.
10 Department of Dermatology, Ajou University School of Medicine, Suwon, Korea.
11 1st Department of Propaedeutic and Internal Medicine and Joint Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
12 Rheumatology Research Center, Shariati Hospital, Tehran University of Medical Sciences, Teheran, Iran.
13 Academic Unit of Ophthalmology, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, West Midlands, UK.