Dermatomyositis

• Chung-Ang University Gwang Myeong Hospital — Gwangmyeong, Gyeonggi-do, South Korea
• Kyung Hee University Medical Center — Seoul, South Korea
• Seoul National University — Seoul, South Korea
• Soon Chun Hyang University Hospital Seoul — Seoul, South Korea

Not specified

• Neuromuscular Clinical and Research Center - Neurology — Phoenix, Arizona, United States
• Attune Health Research, Inc — Beverly Hills, California, United States
• UCI Health - ALS and Neuromuscular Center - Neurology — Orange, California, United States
• UCSF Health - ALS and Neurodegenerative Disease Center - Dermatology — San Francisco, California, United States

• Royal Prince Alfred Hospital — Camperdown, New South Wales, Australia
• Westmead Hospital — Sydney, New South Wales, Australia
• Campbelltown Public Hospital — Sydney, New South Wales, Australia
• The Alfred Hospital — Melbourne, Victoria, Australia

• Armed Forces Bone Marrow Transplant Centre/ National Institute of Blood and Marrow Transplant (AFBMTC/NIBMT) — Rawalpindi, Pakistan
• Pak Emirates Military Hospital — Rawalpindi, Pakistan

• Zhejiang University School of Medicine Second Affiliated Hospital — Hangzhou, Zhejiang, China

• Peking university people's hospital — Beijing, Beijing Municipality, China

• University Of Alabama — Birmingham, Alabama, United States
• FL Medical Clinic Orlando Health — Zephyrhills, Florida, United States
• Augusta University Georgia — Augusta, Georgia, United States
• Northwestern University — Chicago, Illinois, United States

• Azienda Ospedaliera Universitaria Consorziale Policlinico di Bari — Bari, Italy
• AUSL-IRCCS di Reggio Emilia — Reggio Emilia, Italy

• Rheumatology Division of Hospital das Clínicas da Faculdade de Medicina da Universidade de Sao Paulo — São Paulo, Brazil