1. Alomran Scientific Chair, King Faisal University Al‐Ahsa Saudi Arabia
2. Department of Clinical Biochemistry College of Medicine, Imam Abdulrahman bin Faisal University Dammam Saudi Arabia
3. Department of Internal Medicine King Fahd Hospital Al‐Ahsa Saudi Arabia
4. Department of Orthopedic Surgery College of Medicine, King Faisal University Al‐Ahsa Saudi Arabia
5. Department of Applied Medical Sciences University of Hafre Al Batin Saudi Arabia
6. Department of Statistics Boston University School of Public Health Boston Massachusetts
7. Department of Medicine, Center of Excellence in Sickle Cell Disease Boston University and Boston Medical Center Boston Massachusetts