Catherine C McDonald1,2,3,4,5. 1. Assistant Professor, School of Nursing, University of Pennsylvania, Philadelphia, PA, USA. 2. Assistant Professor of Nursing in Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA. 3. Center for Injury Research and Prevention, The Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, PA, USA. 4. Penn Injury Science Center, University of Pennsylvania, Philadelphia, PA, USA. 5. Member, Journal of School Nursing Editorial Advisory Board.