Institution: | (1) Department of Neurosurgery, The University of Texas M. D. Anderson Cancer Center, Houston, TX, USA;(2) Department of Tumor Biology, The University of Texas M. D. Anderson Cancer Center, Houston, TX, USA;(3) Laboratory of Pathology, NCI, Bethesda, MD, USA;(4) Department of Neurosurgery, The University of Texas M. D. Anderson Cancer Center, 1515 Holcombe Boulevard, Box 064, 77030 Houston, TX, USA |