1. Department of Health Behavior and Health Education, School of Public Health, University of Michigan, Ann Arbor, MI, USA
2. Department of Social, Behavioral and Population Sciences, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, USA
3. San Francisco City Clinic, Population Health Division, San Francisco Department of Public Health, San Francisco, CA, USA
4. Community Epidemiology and Surveillance Branch, Population Health Division, San Francisco Department of Public Health, San Francisco, CA, USA
5. Center for Learning and Innovation, Population Health Division, San Francisco Department of Public Health, San Francisco, CA, USA
6. Disease Prevention and Control, San Francisco Department of Public Health, San Francisco, CA, USA