1. Warren Alpert Medical School at Brown University, Providence, Rhode Island
2. The Miriam Hospital, Department of Medicine, Providence, Rhode Island
3. Rhode Island Hospital, Department of Biostatistics, Providence, Rhode Island
4. Department of Epidemiology, Center for Health Equity Research, Brown University School of Public Health, Providence, Rhode Island
5. Department of Pathology and Laboratory Medicine, Women and Infants Hospital, Providence, Rhode Island