1 Departments of Pediatrics and Emergency Medicine, Emory University School of Medicine, Atlanta, GA, United States of America; Children's Healthcare of Atlanta, Atlanta, GA, United States of America. Electronic address: kiesha.fraser@emory.edu.
2 Children's Hospital of Colorado and Denver Health Medical Center, University of Colorado School of Medicine, Anschutz Medical Campus, United States of America.
3 Department of Pediatrics, Biostatistics Core, Emory University School of Medicine, Atlanta, GA, United States of America.
4 Department of Pediatrics, Biostatistics Core, Emory University School of Medicine, Atlanta, GA, United States of America; Department of Pediatrics, Biostatistics Core, Emory University School of Medicine, Atlanta, GA, United States of America.
5 Departments of Pediatrics and Emergency Medicine, Emory University School of Medicine, Atlanta, GA, United States of America; Children's Healthcare of Atlanta, Atlanta, GA, United States of America.