Sjögren

• Cullinan Investigative Site — Orlando, Florida, United States
• Cullinan Investigative Site — Memphis, Tennessee, United States
• Cullinan Investigative Site — Plano, Texas, United States
• Cullinan Investigative Site — Webster, Texas, United States

• Children's Hospital of Los Angeles — Los Angeles, California, United States
• Children's Hospital of Orange County — Orange, California, United States
• Stanford University (Lucile Packard Children's Hospital) — Palo Alto, California, United States
• University of California, Davis (UC Davis Health) — Sacramento, California, United States

Not specified

• The Children's Hospital of Philadelphia — Philadelphia, Pennsylvania, United States

• Antalya Training and Research Hospital — Antalya, Turkey (Türkiye)