Evaluating People With Thalassemia: The Thalassemia Longitudinal Cohort (TLC) Study

Weill Medical College of Cornell University, New York

Children's Hospital of Philadelphia, Philadelphia

Children's Healthcare of Atlanta, Atlanta

Children's Memorial Hospital Chicago, Chicago

Southwestern Medical Center at Dallas, Dallas

Baylor College of Medicine, Houston

Children's Hospital of Los Angeles, Los Angeles

Stanford Hospital, Stanford

Children's Hospital of Oakland, Oakland

Children's Hospital Boston, Boston

British Columbia Children's Hospital, Vancouver

Toronto Sick Kids, Toronto

Toronto General Hospital, Toronto

Royal Free and University College London Medical School, London