1. San Francisco Department of Public Health, Tuberculosis Prevention and Control Program, San Francisco, CA, University of California, San Francisco, San Francisco, CA, USA, , Email: Janice.louie@sfdph.org
2. University of California, San Francisco, San Francisco, CA, USA, , Email: Janice.louie@sfdph.org
3. San Francisco Department of Public Health, Tuberculosis Prevention and Control Program, San Francisco, CA