1 School of Nursing, University of Pennsylvania, Philadelphia, Pennsylvania, United States; Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, United States; Penn Injury Science Center, University of Pennsylvania, Philadelphia, Pennsylvania, United States; Center for Injury Research and Prevention, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States.
2 Centre for Applied Developmental Psychology (CADP), University of Edinburgh, Edinburgh, United Kingdom; Edinburgh Neuroscience, University of Edinburgh, Edinburgh, United Kingdom; Department of Clinical and Health Psychology, School of Health in Social Science, University of Edinburgh, Edinburgh, United Kingdom.