[1] Mataria Teaching Hosp, Chest Dept GOTHI, Cairo, Egypt
[2] Taibah Univ, Resp Therapy Dept, Med Rehabil Sci, Almadinah Almunawwarah, Saudi Arabia
[3] Almadinah Almunawwarah Branch, Alborg Lab, Clin Pathol, Almadinah Almunawwarah, Saudi Arabia
[4] Mataria Teaching Hosp, Internal Med Dept GOTHI, Gastroenterol, Internal Med, Cairo, Egypt