1. School of Industrial Engineering, Purdue University, West Lafayette, Indiana 47907, USA;
2. Departments of Critical Care Medicine, Surgery, and Medicine; Snyder Institute for Chronic Diseases; and the Trauma Program, University of Calgary and Alberta Health Services, Calgary, Alberta T2N 2T9, Canada
3. Tele-Mentored Ultrasound Supported Medical Interaction (TMUSMI) Research Group, Foothills Medical Centre, Calgary, Alberta T2N 2T9, Canada
4. Department of Surgery and the Program in Trauma, University of Maryland School of Medicine, Baltimore, Maryland 21201, USA