1. Department of Family and Preventive Medicine, School of Medicine, University of Utah, Salt Lake City, UT 84111, USA
2. Department of Psychology, College of Arts and Sciences, University of Nebraska at Omaha, Omaha, NE 68182, USA
3. Nebraska Coalition for Patient Safety, Omaha, NE 68198, USA
4. Ocuvera, Lincoln, NE 68512, USA