Systemic Sclerosis

• Medizinische Universität Graz — Graz, Austria
• Universitätsklinik für Innere Medizin Wien — Vienna, Austria
• Sozialmedizinisches Zentrum Süd-Kaiser-Franz-Josef-Spital — Vienna, Austria
• Hanusch Krankenhaus der Gebietskrankenkasse — Vienna, Austria

• CHU Rouen — Rouen, Rouen Cedex, France

• Karolinska Univeristy Hospital, Solna — Stockholm, Stockholm County, Sweden

• Meir Medical Center — Kfar Saba, Israel

• Johns Hopkins Scleroderma Center — Baltimore, Maryland, United States
• Boston University School of Medicine Rheumatology Arthritis Center — Boston, Massachusetts, United States
• University of Michigan Scleroderma Program — Ann Arbor, Michigan, United States

Not specified

• University of Pécs, Hungary — Pécs, Hungary

• Northwestern Memorial Faculty Foundation — Chicago, Illinois, United States

• Medical University of Graz, Pulmonology — Graz, Austria

• Faculty of Medicine, University of Alexandria — Alexandria, Alexandria Governorate, Egypt