1. Department of Medical Education, Kirk Kerkorian School of Medicine, University of Nevada, Las Vegas, Las Vegas, Nevada, USA.
2. Office of Research, Kirk Kerkorian School of Medicine, University of Nevada, Las Vegas, Las Vegas, Nevada, USA.
3. Department of Environmental and Occupational Health, School of Public Health, University of Nevada, Las Vegas, Las Vegas, Nevada, USA.
4. School of Medicine, University of Reno, Reno, Nevada, USA.
5. Library Liaison Program, University of Nevada, Las Vegas, Las Vegas, Nevada, USA.