1. 1John B. Little Center for Radiation Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
2. 2Laboratory of Systems Pharmacology, Harvard Program in Therapeutic Science, Department of Systems Biology, Harvard Medical School, Boston, Massachusetts.
3. 3Molecular and Integrative Physiological Sciences Program, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
4. 4Department of Neurology, University of North Carolina, Chapel Hill, North Carolina.
5. 5Lineberger Comprehensive Cancer Center, North Carolina Cancer Hospital, Chapel Hill, North Carolina.
6. 6Department of Psychiatry, University of Pennsylvania, Philadelphia, Pennsylvania.
7. 7Cancer Center, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
8. 8Department of Medicine, Harvard Medical School, Boston, Massachusetts.
9. 9Radiation Oncology, Brigham and Women's Hospital, Boston, Massachusetts.
10. 10Pediatric Radiation Oncology, Francis H. Burr Proton Therapy Center, Massachusetts General Hospital, Boston, Massachusetts.
11. 11Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
12. 12Department of Medical Oncology, Dana-Farber Cancer Institute/Harvard Cancer Center, Boston, Massachusetts.