Lawrence M Gillman2,3
, Michael Blaivas5
, Jason Lord4
, Azzam Al-Kadi1,3
and Andrew W Kirkpatrick1,2,3 
1
Departments of Surgery, University of Calgary, (1403 - 29 Street NW), Calgary, (T2N 2T9), Canada
2
Department of Critical Care Medicine, University of Calgary, (1403 - 29 Street NW), Calgary, (T2N 2T9), Canada
3
Regional Trauma Services, University of Calgary, (1403 - 29 Street NW), Calgary, (T2N 2T9), Canada
4
Division of Emergency Medicine, University of Calgary, (1403 - 29 Street NW), Calgary, (T2N 2T9), Canada
5
Department of Emergency Medicine, Northside Hospital Forsyth, (1200 Northside Forsyth Drive), Cumming, (30041), USA