Paul G Harch1
, Edward F Fogarty2
, Paul K Staab1
and Keith Van Meter1 
1
Section of Emergency Medicine, Department of Medicine, Louisiana State University Health Sciences Center, 2021 Perdido St, Room W535, New Orleans, Louisiana, 70112, USA
2
Department of Radiology, University of North Dakota School of Medicine and Health Sciences, Post Office Box 1975, 515 ½ East Broadway Avenue, Suite 106, Bismarck, North Dakota, 58502, USA