Pieter F Fouche1, Jestin N Carlson2. 1. Monash University, Department of Community Emergency Health and Paramedic Practice, Building H McMahons Road, Frankston, Melbourne 3199, VIC, Australia. Electronic address: francsoisfouche@gmail.com. 2. Allegheny Health Network, Department of Emergency Medicine, Erie, PA, United States; Department of Emergency Medicine, University of Pittsburgh, Pittsburgh, PA, United States.