Mary T Bassett1, Nancy Krieger2, Zinzi Bailey3. 1. New York City Department of Health and Mental Hygiene, Long Island City, NY 11101, USA. Electronic address: mbassett@health.nyc.gov. 2. Department of Social and Behavioral Sciences, Harvard T H Chan School of Public Health, Boston, MA, USA. 3. New York City Department of Health and Mental Hygiene, Long Island City, NY 11101, USA.