1. Department of Emergency Medicine; University of California-San Diego; San Diego California
2. Department of Nursing Education, Development, Research; University of California-San Diego; San Diego California
3. Department of Nursing; University of California-San Diego; San Diego California
4. Division of Pulmonary and Critical Care Medicine; University of California-San Diego; San Diego California
5. Department of Anesthesiology; University of California-San Diego; San Diego California
6. Division of Cardiology, University of California-San Diego, San Diego, California, and the Division of Cardiology; The Ohio State University; Columbus Ohio