1. Department of Otolaryngology–Head and Neck Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
2. Department of Health and Behavioral Sciences, University of Colorado, Denver, Denver, Colorado, USA
3. Department of Otolaryngology–Head and Neck Surgery, University of California, San Francisco, San Francisco, California, USA
4. Center for Vulnerable Populations, University of California, San Francisco, San Francisco, California, USA
5. Department of Medicine, University of California, San Francisco, San Francisco, California, USA
6. Department of Epidemiology & Biostatistics, University of California, San Francisco, San Francisco, California, USA
7. San Francisco Department of Public Health, San Francisco, California, USA