1. Center for Cell and Gene Therapy, Baylor College of Medicine, Texas Children's Hospital and Houston Methodist Hospital, Houston, Texas.
2. Department of Orthopedic Surgery and Rehabilitation, The University of Texas Medical Branch at Galveston, Galveston, Texas.
3. Department of Biomedical Engineering, Duke University, Durham, North Carolina.
4. Department of Pediatrics—Section Hematology/Oncology, Baylor College of Medicine, Houston, Texas.
5. Department of Orthopedic Surgery, Baylor College of Medicine, Houston, Texas.