Leukemia, Lymphoid

• Charité Universitätsmedizin Berlin — Berlin, Germany
• Technische Universitaet Dresden - Universitaetsklinikum Carl Gustav Carus — Dresden, Germany
• Universitätsklinikum Marburg — Marburg, Germany
• Klinikum der Universität (LMU) Muenchen — Munich, Germany

• Samsung Medical Center — Seoul, Gangnam-gu, South Korea
• Korea UniversityKorea University Guro Hospital — Seoul, Guro-gu, South Korea
• Seoul National University Hospital — Seoul, Jongno-gu, South Korea
• The Catholic University of Korea — Seoul, Seocho-gu, South Korea

• University of Maryland, Baltimore — Baltimore, Maryland, United States

• Children's Hospital Los Angeles — Los Angeles, California, United States
• Children's Hospital Oakland — Oakland, California, United States
• Stanford University Medical Center — Palo Alto, California, United States
• Rady Children's Hospital — San Diego, California, United States

• National Institute of Pediatrics — Mexico City, Coyoacan, Mexico

• Hematology/Oncology department — Vitebsk, Select A State, Belarus

• Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology — Wuhan, Hubei, China

• City of Hope — Duarte, California, United States
• Childrens Hospital LA — Los Angeles, California, United States
• Washington University — St Louis, Missouri, United States
• Children's Hospital of Philadelphia — Philadelphia, Pennsylvania, United States

• National Institutes of Health Clinical Center — Bethesda, Maryland, United States

Not specified