1. San Diego State University, School of Public Health, San Diego, CA
2. San Diego State University Research Foundation, Institute for Behavioral and Community Health, San Diego, CA
3. Kaiser Permanente Southern California, Research & Evaluation, Department of Research & Evaluation, Pasadena, CA
4. Southern California Permanente Medical Group, Los Angeles Medical Center Department of Consulting Services, Los Angeles, CA
5. RAND Corporation, Behavioral and Policy Sciences, Santa Monica, CA; University of California Los Angeles, Department of Family Medicine, Center for HIV Identification, Prevention and Treatment Services, Los Angeles, CA