Authors
1 Professor, Pediatric Gastroenterology, Hepatology and Nutrition, Golisano Children's Hospital, Upstate Medical University, 725 Irving Avenue, Suite 504, Syracuse NY 13210.
2 Professor, Pediatric Hematology, Columbia University, 403 E 34th St, New York, NY 10016, United States.
3 Students Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
4 Associate Professor of Pediatric Gastroenterology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Abstract
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