1. Health Science Specialist, Veterans Emergency Management Evaluation Center (VEMEC), US Department of Veterans Affairs, North Hills, California, USA
2. School of Social Work, University of Maryland, Baltimore, Maryland, USA
3. School of Social Work, University of Nevada, Reno, Nevada, USA
4. Centers for Disease Control (CDC), Atlanta, GA, USA
5. Division of Health Services Management and Policy, The Ohio State University College of Public Health, Columbus, OH, USA