Document Type : Original Paper
1 MSc Student of Medical Physics, Tarbiat Modares University, Tehran, Iran.
2 Associate Professor, Medical Physics Dept., Tarbiat Modares University, Tehran, Iran.
3 Assistant Professor, Novin Medical Radiation Institute, Tehran, Iran.
4 Physicist, Cancer Institute, Department of Radiotherapy and Oncology, Imam Khomeini Hospital, Tehran, Iran.
5 Assistant Professor, Nuclear Sciences Research Center, Nuclear Science and Technology Research Center, Tehran, Iran.