Anemia

• Children's Hospital Oakland — Oakland, California, United States
• Children's Hospital — Boston, Massachusetts, United States
• Weill Medical College of Cornell University — New York, United States
• Children's Hospital of Philadelphia — Philadelphia, Pennsylvania, United States

• Hacettepe University — Ankara, Ankara/Sihhiye, Turkey (Türkiye)

• Peking Union Medical College Hospital — Beijing, China
• Peking University First Hospital — Beijing, China
• Sichuan Provincial People's Hospital — Chengdu, China
• West China Hospital — Chengdu, China

Not specified

Not specified

• Barbara Ann Karmanos Cancer Institute — Detroit, Michigan, United States

• Nottingham University Hospitals NHS Trust — Nottingham, Nottinghamshire, United Kingdom

Not specified

• Hospital Puerto Real — Cadiz, Andalusia, Spain
• Hospital de Jerez — Jerez de la Frontera, Andalusia, Spain
• Clínico V. Victoria — Málaga, Andalusia, Spain
• Hospital Son Llatzer — Palma de Mallorca, Balearic Islands, Spain

• Universitätsklinikum Hamburg-Eppendorf — Hamburg, Germany
• Department of Medicine, St Görans Hospital (Capio St Görans Sjukhus) — Stockholm, Sweden