[1] The University of Texas MD Anderson Cancer Center,Department of Radiation Oncology, Unit 97
[2] The University of Texas Health Science Center at Houston,School of Medicine
[3] McGovern School of Medicine,School of Medicine
[4] Texas Tech University Health Sciences Center,Department of Clinical Oncology and Nuclear Medicine, Faculty of Medicine
[5] Paul L. Foster School of Medicine,Department of Head and Neck Surgery
[6] University of Alexandria,Department of Medical Oncology
[7] Abilene Christian University,Department of Epidemiology, Division of OVP, Cancer Prevention and Population Sciences
[8] The University of Texas MD Anderson Cancer Center,Department of Neurosurgery, Division of Surgery
[9] The University of Texas MD Anderson Cancer Center,Department of Symptom Research, Division of Internal Medicine
[10] The University of Texas MD Anderson Cancer Center,Medical Physics Program
[11] The University of Texas MD Anderson Cancer Center,undefined
[12] The University of Texas MD Anderson Cancer Center,undefined
[13] The University of Texas Graduate School of Biomedical Sciences,undefined