1. Jordan University of Science and Technology, Irbid, Jordan; and Vascular Biology and Hypertension Program, University of Alabama at Birmingham, USA
2. Eldemerdash Hospital, Faculty of Medicine-Ain Shams University, Cairo, Egypt
3. Internal Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
4. Department of Genetics, University of Alabama at Birmingham, Birmingham, AL, USA
5. Division of Hematology, Ohio State University, Columbus, OH, USA
6. Division of Hematology/Oncology, Department of Medicine, University of Alabama at Birmingham, 1720 2nd Avenue South, NP 2540, Birmingham, AL 35294-3300, USA