1. Lorri M. Phipps is a pediatric nurse practitioner and Jill A. Raymond is a clinical staff nurse in the pediatric intensive care unit, Departments of Pediatrics and Nursing, Division of Critical Care, at Penn State Children’s Hospital, Hershey, Pa. Tammy M. Angeletti is a pediatric respiratory specialist in the Department of Pediatrics, Division of Respiratory Therapy, at Penn State Children’s Hospital.