Scleroderma, Diffuse

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• University of California Los Angeles — Los Angeles, California, United States
• University of Connecticut — Farmington, Connecticut, United States
• Georgetown University Medical Center — Washington D.C., District of Columbia, United States

• Department of Clinical Immunology, Army R&R hospital — New Delhi, ND, India
• Medicine Unit II, PGIMER — Chandigarh, Punjab, India
• Department of Immunology, SGPGIMS — Lucknow, Uttar Pradesh, India
• Immunology Rheumatology Unit, IPGMER — Kolkata, West Bengal, India

Not specified

• Universidade Federal de São Paulo — São Paulo, Brazil

• UMDNJ — New Brunswick, New Jersey, United States

Not specified

• National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) — Bethesda, Maryland, United States

• Encysive Pharmaceuticals — Houston, Texas, United States

• Stanford Medical School — Stanford, California, United States
• University of Colorado at Denver and Health Sciences Center — Denver, Colorado, United States
• University of Connecticut — Farmington, Connecticut, United States
• Georgetown University Medical Center — Washington D.C., District of Columbia, United States

• Rainier Clinical Research — Renton, Washington, United States