1. Department of Emergency Medicine PeaceHealth Southwest Medical Center Vancouver WA
2. Department of Emergency Medicine, Section of Ultrasound University of California, San Francisco – San Francisco General Hospital San Francisco California USA
3. Department of Anesthesia and Intensive Care Medicine University Hospital Bonn Bonn Germany
4. Instructor, Department of Surgery, Division of Trauma Massachusetts General Hospital Boston, MA
5. Department of Emergency Medicine, Division of Emergency Ultrasound George Washington University Hospital Washington DC USA
6. Department of Emergency Medicine, Division of Emergency Ultrasound Massachusetts General Hospital Boston MA