1. Transitions Clinic, Southeast Health Center, San Francisco Department of Public Health, San Francisco, CA
2. General Internal Medicine, Yale University School of Medicine, New Haven, CT
3. Current affiliation: General Medicine Division, Massachusetts General Hospital, Harvard School of Medicine, Boston, MA
4. Department of Family and Community Medicine, University of California, San Francisco, San Francisco, CA
5. Division of General Internal Medicine, Department of Internal Medicine, San Francisco General Hospital, University of California, San Francisco, San Francisco, CA