[1] NCI, Bathesda, MD USA
[2] VA Boston Healthcare Syst, Boston, MA USA
[3] Duke Univ, Sch Med, Durham, NC USA
[4] Cent Brain Tumor Registry US, Hillsdale, MI USA
[5] Vet Affairs Boston Healthcare Syst, Boston, MA USA
[6] Uniformed Serv Univ Hlth Sci, Sch Med, Bethesda, MD USA
[7] Sloan Kettering Inst, New York, NY USA
[8] Heersink Sch Med, Birmingham, AL USA
[9] Uniformed Serv Univ Hlth Sci, Bethesda, MD 20814 USA
[10] NCI, Bethesda, MD 20892 USA