1. Center for Research in Educational and Simulation Technologies, Division of Healthcare Simulation Science, UW Medicine, University of Washington , Seattle, WA 98195-6410, USA
2. Simagine Health , Seattle, WA 98195-6410, USA
3. Medical Simulation Research Branch, SFC Paul Ray Smith Simulation and Training Technology Center, U.S Army DEVCOM-SC-SED-STTC , Orlando, FL 32826-3276, USA