1. Department of Pathology and Laboratory Medicine, Hepatobiliary Science & Liver Transplantation, King Fahad National Guard Hospital, King Abdulaziz Medical City, PO Box 22490, Riyadh, 11426
2. Department of Hepatobiliary Science & Liver Transplantation, King Fahad National Guard Hospital, King Abdulaziz Medical City, PO Box 22490, Riyadh, 11426
3. Department of Medical Laboratory Sciences, King Faisal University, PO Box 1982, Dammam, 31451
4. Chemistry Department, Faculty Of Science, King Abdul Aziz University, PO Box 30002, Madinah Munawwarah, Kingdom of Saudi Arabia