Katherine T. Flynn-O’Brien is with the Department of Surgery, Medical College of Wisconsin, Milwaukee. Chethan Sathya is with the Division of Pediatric Surgery, Cohen Children’s Medical Center, New Hyde Park, NY. Meera Kotagal is with the Division of Pediatric General and Thoracic Surgery, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH. Samantha Banks is with the Firearm Injury and Policy Research Program, University of Washington, Seattle. Lauren L. Agoubi is with the Department of...