A Long-Term Follow-Up Study of Participants With Sickle Cell Disease or Transfusion Dependent β-Thalassemia Who Received EDIT-301

Columbia University Medical Center - Department of Pediatrics, New York

Columbia University Medical Center, New York

Children's Hospital of Philadelphia, Philadelphia

Atrium Health, Charlotte

Medical University of South Carolina, Charleston

Children's Healthcare of Atlanta, Atlanta

Johns Hopkins All Children's Hospital, St. Petersburg

Tristar Medical Group Children's Specialists/Sarah Cannon Center for Blood Cancers, Nashville

Nationwide Children's Hospital, Columbus

Cleveland Clinic, Cleveland

University of Minnesota, Minneapolis

Texas Oncology - Baylor Charles A. Sammons Cancer Center, Dallas

Cook Children's, Fort Worth

Children's Hospital Colorado, Aurora

UCSF Benioff Children's Hospital, Oakland

Smilow Cancer Hospital, New Haven

Ottawa Hospital Research Institute, Ottawa

Princess Margaret Cancer Centre-University Health Network, Toronto