1. Department of Pathology, MC 9073, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas TX 75390, USA
2. Children's Medical Center of Dallas, 1935 Motor Street, Dallas TX 75235, USA
3. Department of Radiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas TX 75390, USA
4. Department of Orthopedic Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas TX 75390, USA