1. Morristown Medical Center,Department of Internal Medicine,New Jersey,United States,|Cleveland Clinic Foundation,Department of Cardiovascular Medicine,Cleveland,United States
2. Ain Shams University,Department of Internal Medicine,Cairo,Egypt
3. Texas Tech University Health Sciences Center,,Department of OB/GYN,TX,United States
4. Alexandria University,Department of Internal Medicine,Alexandria,Egypt
5. Morristown Medical Center,Department of Internal Medicine,New Jersey,United States
6. Department of Cardiology, Houston Methodist DeBakey Heart & Vascular Center, Texas, United States