Anemia

• University of South Alabama Medical Center — Mobile, Alabama, United States
• Children's Hospital Los Angeles — Los Angeles, California, United States
• Children's Hospital Oakland — Oakland, California, United States
• Children's Hospital of Orange County — Orange, California, United States

• Saarlouis, Germany

• Kaohsiung City, Taiwan
• New Taiepei City, Taiwan
• Taichung, Taiwan

• Addis Ababa University, Center for FDSC and Nutrition — Addis Ababa, Select State, Ethiopia

• Université Cheikh Anta Diop — Dakar, Senegal

• Dialysis Unit — Düsseldorf, Germany
• University Hospital — Halle, Germany
• Hospital — Leipzig, Germany
• Dialysis Unit — Villingen-Schwenningen, Germany

• Stanford University School of Medicine — Stanford, California, United States

Not specified

• Aix-en-Provence, France
• Ajaccio, France
• Annonay, France
• Arras, France

• The Ohio State University General Internal Medicine — Columbus, Ohio, United States