Hemophagocytic Lymphohistiocytoses

• University of California, Irvine — Irvine, California, United States
• University of California Davis Comprehensive Cancer Center — Sacramento, California, United States
• University of California, San Diego — San Diego, California, United States
• University of California, San Francisco — San Francisco, California, United States

• Samsung Medical Center — Seoul, South Korea

• Cincinnati Children's Hospital Medical Center — Cincinnati, Ohio, United States

• University of Alabama at Birmingham — Birmingham, Alabama, United States

• Klinikum Klagenfurt am Wörthersee — Klagenfurt, Austria
• Medizinische Universität Wien — Vienna, Austria
• Universitätsklinikum Aachen — Aachen, Germany
• Herz- und Diabeteszentrum Nordrhein-Westfalen — Bad Oeynhausen, Germany

• hôpital Necker Enfants Malades — Paris, France

• Meir Medical Center — Kfar Saba, Israel
• Rabin Medical Center — Petah Tikva, Israel

• Stefan Hohaus — Rome, Lazio, Italy

Not specified

• Beijing Friendship Hospital, Capital Medical University — Beijing, Beijing Municipality, China