1. Department of Radiology, Valie-asr Hospital, Birjand University of Medical Sciences, Birjand, Iran.
2. Department of Internal Medicine, Valie-asr Hospital, Birjand University of Medical Sciences, Birjand, Iran.
3. Espetialist of Nuclear Medicine, Birjand Nuclear Medicine Center, Birjand, Iran.
4. Department of Surgery, Imam Reza Hospital, Birjand University of Medical Sciences, Birjand, Iran.