β-thalassemia

• Sultan Qaboos University Hospital — Seeb, Muḩāfaz̧at Masqaţ, Oman
• Local Institution - 202 — Al Jahra, Kuwait
• Local Institution - 201 — Andalusia, Kuwait
• Local Institution - 203 — Kuwait City, Kuwait

• Shenzhen University General Hospital — Shenzhen, Guangdong, China

• Shenzhen Children's Hospital — Shenzhen, Guangdong, China

• Guangxi Medical University First Affiliated Hospital — Guangxi, China
• Shenzhen Children's Hospital — Shenzhen, China
• Shenzhen University General Hospital — Shenzhen, China

• Sun Yat-sen Memorial Hospital — Guangzhou, Guandong, China
• The First Affiliated Hospital of Guangxi Medical University — Nanning, Guangxi, China
• Shanghai Ruijin Hospital, Shanghai Jiaotong University — Shanghai, Shanghai City, China

• Shanghai Children's Medical Centre — Shanghai, China

Not specified

• Acceleron Investigative Site — Athens, Greece
• Acceleron Investigative Site — Brindisi, Italy
• Acceleron Investigative Site — Catania, Italy
• Acceleron Investigative Site — Ferrara, Italy

• UCSF Benioff Children's Hospital — Oakland, California, United States
• Boston Children's Hospital — Boston, Massachusetts, United States
• Laiko General Hospital of Athens — Athens, Greece
• Athens General Hospital 'G Gennimatas' — Athens, Greece

• UCSF Benioff Children's Hospital — Oakland, California, United States
• Boston Children's Hospital — Boston, Massachusetts, United States
• Hospital of The University of Pennsylvania — Philadelphia, Pennsylvania, United States
• University General Hospital of Patras — Pátrai, Achaia, Greece