1. Medical Technology Research Center Kermanshah University of Medical Sciences Kermanshah Iran
2. Radiology and Nuclear Medicine Department, School of Paramedical Sciences Kermanshah University of Medical Sciences Kermanshah Iran
3. Department of Anatomy, School of Medicine Gonabad University of Medical Sciences Gonabad Iran
4. Department of Anatomy, School of Medicine Shahroud University of Medical Sciences Shahroud Iran
5. Cancer and Immunology Research Center, Research Institute for Health Development Kurdistan University of Medical Sciences Sanandaj Iran
6. Department of Anatomy, School of Medicine Kurdistan University of Medical Sciences Sanandaj Iran