Neutropenia

• Children's Hospital of Orange County — Orange, California, United States
• Children's Hospital and Health Center, San Diego — San Diego, California, United States
• Warren Grant Magnuson Clinical Center - NCI Clinical Studies Support — Bethesda, Maryland, United States
• Duke Comprehensive Cancer Center — Durham, North Carolina, United States

Not specified

Not specified

• University of Chicago Cancer Research Center — Chicago, Illinois, United States

• Long Beach Memorial Medical Center — Long Beach, California, United States
• Children's Hospital Los Angeles — Los Angeles, California, United States
• Jonsson Comprehensive Cancer Center, UCLA — Los Angeles, California, United States
• Children's Hospital of Orange County — Orange, California, United States

• Memorial Sloan-Kettering Cancer Center — New York, United States

• Hospital Affiliated to Academy Military Medical Science — Beijing, Beijing Municipality, China

• The West Clinic, PC — Southaven, Mississippi, United States
• The West Clinic, PC — Memphis, Tennessee, United States

• University Hospital Muenster — Münster, North Rhine-Westphalia, Germany

• A.Z. St. Jan — Bruges, Belgium
• Institut Jules Bordet — Brussels, Belgium
• Hopital Universitaire Erasme — Brussels, Belgium
• U.Z. Gasthuisberg — Leuven, Belgium