1. The University of Texas MD Anderson Cancer Center, Houston, Texas
2. Albany Medical College, Albany, New York
3. The University of Texas Health Science Center McGovern Medical School, Houston, Texas
4. The Johns Hopkins University School of Medicine, Baltimore, Maryland
5. The University of Tennessee Health Science Center College of Medicine, Memphis, Tennessee
6. Baylor College of Medicine, Houston, Texas
7. New York University Langone School of Medicine, New York, New York