1. Harvard School of Public Health, Department of Society, Human Development and Health; SM candidate.
2. VA Palo Alto Health Care System, Palo Alto, California.
3. California Department of Public Health, Surveillance and Statistics Section, Infectious Diseases Branch, Sacramento, California.
4. California Department of Public Health, Cancer Detection Section, Sacramento, California.
5. National Center for Posttraumatic Stress Disorder, Menlo Park, California.