Neutropenia

• Lombardi Cancer Center — Washington D.C., District of Columbia, United States
• Children's National Medical Center — Washington D.C., District of Columbia, United States
• Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins — Baltimore, Maryland, United States
• Warren Grant Magnuson Clinical Center - NCI Clinical Studies Support — Bethesda, Maryland, United States

• 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

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

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

Not specified

• Hematology Department, Paris 12 University Hospital Henri Mondor — Créteil, France