Von Willebrand Diseases

• Center for Inherited Blood Disorders — Orange, California, United States
• University of Colorado Denver Hemophilia and Thrombosis Center — Aurora, Colorado, United States
• Connecticut Bleeding and Clotting Disorders Center — Farmington, Connecticut, United States
• University of Florida Hemophilia Treatment Center — Gainesville, Florida, United States

Not specified

• CH ARRAS — Arras, France
• CH Boulogne — Boulogne-sur-Mer, France
• CH DOUAI — Douai, France
• CH Dunkerque — Dunkirk, France

• Hemophilia Center of Western PA — Pittsburgh, Pennsylvania, United States

• Oxford University Hospitals NHS Foundation Trust — Oxford, Oxfordshire, United Kingdom

• CHU Angers — Angers, France
• CHR de Brest — Brest, France
• CH Le Mans — Le Mans, France
• CHU de Nantes — Nantes, France

• Children's Healthcare of Atlanta — Atlanta, Georgia, United States
• Republican Research Center for Radiation Medicine and Human Ecology — Homyel, Belarus
• Specialized Hospital for Active Treatment of Haematological Diseases" EAD, Sofia — Sofia, Bulgaria
• "UMHAT Sveta Marina" EAD. — Varna, Bulgaria

• Children's Healthcare of Atlanta — Atlanta, Georgia, United States
• Republican Research Center for Radiation Medicine and Human Ecology — Homyel, Belarus
• "Specialized Hospital for Active Treatment of Haematological Diseases" EAD, Sofia — Sofia, Bulgaria
• Pediatric Clinic of Haematology and Oncology — Varna, Bulgaria

• Medical University of Vienna — Vienna, Austria

• Angers University Hospital — Angers, France
• Brest University Hospital — Brest, France
• Le Mans Regional Hospital — Le Mans, France
• Nantes University Hospital — Nantes, France