Sickle Cell Disease

• Ospedali Civili Riuniti di Sciacca — Sciacca, Agrigento, Italy
• Ospedale Vittorio Emanuele III — Gela, Caltanisetta, Italy
• Azienda Ospedaliero-Universitaria — Bari, Italy
• U.O. Oncoematologia Pediatrica Ospedali Civili — Brescia, Italy

Not specified

• University Hospital Zürich — Zurich, Switzerland

• Mount Sinai Hospital — New York, United States
• University of Cincinnati Medical Center — Cincinnati, Ohio, United States

• Research Site — Berlin, Germany

• Guys and St Thomas NHS Foundation Trust — London, United Kingdom

• University of Alabama-Birmingham — Birmingham, Alabama, United States
• Children's National Medical Center — Washington D.C., District of Columbia, United States
• All Children's Research Institute Inc. — St. Petersburg, Florida, United States
• Children's Healthcare of Atlanta — Atlanta, Georgia, United States

• Grady Health Systems — Atlanta, Georgia, United States
• Children's Healthcare of Atlanta — Atlanta, Georgia, United States

• Duke University Medical Center — Durham, North Carolina, United States

• University Hospital of Toulouse — Toulouse, France