1. Pediatric Department (M.A.A.)
2. Department of Cardiac Sciences (W.A., M.H.A.)
3. Center for Genetics and Inherited Diseases (E.A., R.M.B., H.A., N.A.M.A.)
4. College of Medicine Research Centre (N.J.)
5. Radiology Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia (M.A.).
6. Faculty of Applied Medical Sciences (N.A.M.A.), Taibah University, Almadinah Almunwarah, Saudi Arabia.