Affiliation: | 1. Pediatric Infectious Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran;2. Department of Infectious Diseases, Pediatrics Center of Excellence, Children''s Medical Center, Tehran University of Medical Sciences, Tehran, Iran;3. Department of Pediatric Infectious Disease, Faculty of Medicine, Qom University of Medical Sciences, Qom, Iran;4. Radiology Department, Rasool-e-Akram Hospital, Iran University of Medical Sciences, Tehran, Iran |