Connective Tissue Diseases

• The University of Alabama at Birmingham — Birmingham, Alabama, United States
• Sun Valley Arthritis Center — Glendale, Arizona, United States
• Arizona Research & Education — Phoenix, Arizona, United States
• University of Arizona — Tucson, Arizona, United States

• Department of ophthalmology, HEGP — Paris, France

• Institute for Social Medicine, University of Luebeck — Lübeck, Germany

Not specified

Not specified

• Université catholique de Louvain — Brussels, Belgium

• University Hospital Muenster — Münster, North Rhine-Westphalia, Germany

Not specified

• Heinrich-Heine-University of Duesseldorf, Department of Dermatology — Düsseldorf, North Rhine-Westphalia, Germany

• Heinrich-Heine-University of Duesseldorf, Department of Dermatology — Düsseldorf, North Rhine-Westphalia, Germany