Acute Lymphoblastic Leukemia

• Rady Children's Hospital and Health Center — San Diego, California, United States
• St. Jude Children's Research Hospital — Memphis, Tennessee, United States

• Massachusetts General Hospital — Boston, Massachusetts, United States
• Brigham and Women's Hospital — Boston, Massachusetts, United States
• Dana-Farber Cancer Institute — Boston, Massachusetts, United States

Not specified

• University of Kansas Medical Center — Kansas City, Kansas, United States

• Duke University Medical Center — Durham, North Carolina, United States
• Medical University of South Carolina — Charleston, South Carolina, United States
• St. Jude Children's Research Hospital — Memphis, Tennessee, United States

• St. Jude Children's Research Hospital — Memphis, Tennessee, United States

• Department of Pediatrics, Rigshospitalet — Copenhagen, Denmark
• Helsinki University Hospital — Helsinki, Finland
• University Hospital — Reykjavik, Iceland
• Trondheim University Hospital — Trondheim, Norway

• Department of Pediatrics, Rigshospitalet — Copenhagen, Denmark
• Helsinki University Hospital — Helsinki, Finland
• University Hospital Reykjavik, Iceland — Reykjavik, Iceland
• Trondheim University Hospital — Trondheim, Norway

• Massachusetts General Hospital — Boston, Massachusetts, United States
• Beth Israel Deaconess Medical Center — Boston, Massachusetts, United States
• Dana-Farber Cancer Institute — Boston, Massachusetts, United States

• University of Minnesota Amplatz Children's Hospital — Minneapolis, Minnesota, United States