Derrick Tin1, Attila J Hertelendy2, Gregory R Ciottone3. 1. Department of Emergency Medicine, Beth Israel Deaconess Medical Centre, Boston, Massachusetts, USA; Department of Emergency Medicine, Harvard Medical School, Boston, Massachusetts, USA. Electronic address: derrick@tacmedaustralia.com.au. 2. Department of Emergency Medicine, Beth Israel Deaconess Medical Centre, Boston, Massachusetts, USA; Department of Emergency Medicine, Harvard Medical School, Boston, Massachusetts, USA; Department of Information Systems and Business Analytics, College of Business, Florida International University, Miami, Florida, USA. 3. Department of Emergency Medicine, Beth Israel Deaconess Medical Centre, Boston, Massachusetts, USA; Department of Emergency Medicine, Harvard Medical School, Boston, Massachusetts, USA.