Affiliation: | From the Department of Pediatrics (AlAnzi, Mohamed); from the Department of Biochemical laboratory (Al Harbi, AlFaifi), Prince Sultan Military Medical City; from the Prince Abdullah bin Khalid Celiac Disease Research Chair (Mohamed), King Saud University; and from the Department of Pediatrics (Mohamed), College of Medicine, AlFaisal University, Riyadh, Kingdom of Saudi Arabia. |