Scleroderma, Systemic

• University of Fukui Hospital — Fukui, Japan
• Chukyo Hospital — Nagoya, Japan
• The University of Tokyo Hospital — Tokyo, Japan
• University of Tsukuba Hospital — Tsukuba, Japan

• Mayo Clinic - Scottsdale — Scottsdale, Arizona, United States
• UCLA David Geffen School of Medicine — Los Angeles, California, United States
• Stanford University School of Medicine — Palo Alto, California, United States
• University of Connecticut Health Center — Farmington, Connecticut, United States

• University of Alabama at Birmingham — Birmingham, Alabama, United States
• University of California Los Angeles — Los Angeles, California, United States
• University of California Davis — Sacramento, California, United States
• University of California San Francisco — San Francisco, California, United States

• Oslo University Hospital — Oslo, Norway

• University Medical Center Groningen — Groningen, Netherlands

Not specified

• Marmara University — Istanbul, Pendik, Turkey (Türkiye)

• Stanford University School of Medicine — Stanford, California, United States

• Stanford University School of Medicine — Stanford, California, United States

Not specified