1. Department of Radiology and Neurology University of Alabama at Birmingham (UAB) Birmingham AL
2. University of Semnan Semnan Iran
3. Division of Physics and Engineering University of Alabama at Birmingham (UAB) Birmingham AL
4. Department of Radiology University of Alabama at Birmingham (UAB) Birmingham AL
5. Department of Radiology University of Alabama at Birmingham (UAB) and VA Hospital Birmingham AL
6. The Russell H. Morgan Department of Radiology and Radiological Science Johns Hopkins University School of Medicine Baltimore MD