1. Department of Medical Education, California University of Sciences and Medicine; School of Medicine (Cal Med-SOM); Colton California
2. Department of Anatomy, Faculty of Medicine; Cairo University; Cairo Egypt
3. California University of Sciences and Medicine; School of Medicine (Cal Med-SOM); Colton California
4. Department of Biochemistry, A.T. Still University; Kirksville College of Osteopathic Medicine; Kirksville Missouri