... expert panel. These guidelines have been endorsed by the AAP, the American College of Emergency Physicians, the American Society of Microbiology, the American Thoracic So-ciety, the Society for ... Pediatrics (AAP), American College of Emergency Physicians, American Thoracic Society PediatricSection, Society for Hospital Medicine, the Society of CriticalCare Medicine, and the American Pediatric ... Medicine, and the Society of Critical Care Medicine. The guidelines were reviewed and ap-proved by the PIDS Clinical Affairs Committee, the IDSA SPGC, the Council of the PIDS, and the Board of Directors...