Institution: | 1. Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA;2. Department of Pediatrics, Driscoll Children''s Hospital, Corpus Christi, TX, USA;3. Department of Emergency Medicine, National Taiwan University Hospital, Taipei, Taiwan;4. Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA;5. Department of Pediatric Emergency Medicine, The University of Texas at Austin School of Medicine, Austin, TX, USA;6. Department of Emergency Medicine, John Peter Smith Hospital, Fort Worth, TX, USA;7. Department of Medical Imaging, Changhua Christian Hospital, Changhua, Taiwan;8. Department of Emergency Medicine, Maimonides Medical Center, Brooklyn, NY, USA |