1. Department of Anatomical Sciences, Faculty of Medicine, Student Research Committee, Zanjan University of Medical Sciences (ZUMS), Zanjan, Iran.
2. Ayatollah Mousavi Hospital, Angiography Center, Zanjan University of Medical Sciences (ZUMS), Zanjan, Iran.
3. Department of Anatomical Sciences, Faculty of Medicine, Zanjan University of Medical Sciences (ZUMS), Zanjan, Iran.
4. Department of Biostatistics and Epidemiology, Faculty of Medicine, Zanjan University of Medical Sciences (ZUMS), Zanjan, Iran.