Leukemia

• Grupo Cooperativo de Hemopatías Malignas — Huixquilucan, State of Mexico, Mexico

• University of Alabama at Birmingham Cancer Center — Birmingham, Alabama, United States
• Children's Hospital of Orange County — Orange, California, United States
• Lucile Packard Children's Hospital Stanford University — Palo Alto, California, United States
• Children's National Medical Center — Washington D.C., District of Columbia, United States

• Great Ormond Street Hospital for Children NHS Foundation Trust — London, United Kingdom
• University College London Hospitals NHS Foundation Trust — London, United Kingdom
• Royal Manchester Children's Hospital — Manchester, United Kingdom

• Eisai Trial Site #7 — Busan, South Korea
• Eisai Trial Site #8 — Busan, South Korea
• Eisai Trial Site #6 — Daegu, South Korea
• Eisai Trial Site #4 — Daejeon, South Korea

Not specified

• UT MD Anderson Cancer Center — Houston, Texas, United States

• Boston children hospital — Boston, Massachusetts, United States

• A.O. Ospedale S. Antonio — Gallarate, Milano, Italy
• Ospedale Desio- "Ospedale Civile" di Vimercate, Desio, Carate Brianza, Giussano, Seregno. — Vimercate, Milano, Italy
• A.O di Circolo di Busto Arsizio — Busto Arsizio, Varese, Italy
• Ospedali Riuniti Bergamo — Bergamo, Italy

• Aalborg Hospital — Aalborg, Denmark
• Department of Pediatrics, Skejby Hospital — Aarhus, Denmark
• Department of Pediatrics, Rigshospitalet — Copenhagen, Denmark
• University Hospital in Odense — Odense, Denmark

• UNC Lineberger — Chapel Hill, North Carolina, United States