1. Center for the Study of Health and Risk Behaviors, Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington, USA;
2. Department of Health Behavior and Health Systems, School of Public Health, University of North Texas Health Science Center, Fort Worth, Texas, USA;
3. Department of Psychology, University of Washington, Seattle, Washington, USA;
4. Center for Behavioral Health Promotion and Applied Research, University at Albany, Albany, New York, USA