Affiliation: | (1) Department of Pediatrics, Ain Shams University, Cairo, Egypt;(2) Department of Pediatrics, Haukeland University Hospital, Bergen, Norway;(3) Department of Clinical Medicine, University of Bergen, Bergen, Norway;(4) Department of Pediatrics, Pediatric Endocrinology and Diabetes Unit, Ain Shams University, Cairo, 25 Ahmed Fuad St. Saint Fatima, Heliopolis, Cairo, 11361, Egypt; |