Institution: | 1. Medical Physics Research Center, Faculty of Medicine, Pardise Daneshgah, Mashhad University of Medical Sciences, Azadi Square, Mashhad, Iran;2. North Khorasan University of Medical Sciences, Bojnurd, Iran;3. Cancer Research Center, Radiation Oncology Department, Omid Hospital, Mashhad University of Medical Sciences, Mashhad, Iran;4. Reza Radiotherapy and Oncology Center, Fallahi No. 2, Mashhad, Iran;5. Comprehensive Cancer Center of Nevada, Las Vegas, NV, USA |