1. Division of Epidemiology, Department of Population and Quantitative Health Sciences, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA.
2. Division of Biostatistics and Health Services Research, Department of Population and Quantitative Health Sciences, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA.
3. Meyers Health Care Institute, a Joint Endeavor of the University of Massachusetts Chan Medical School, Fallon Health, and Reliant Medical Group, Worcester, Massachusetts, USA.
4. Division of Geriatric Medicine, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, Massachusetts, USA.
5. University of Puerto Rico, Comprehensive Cancer Center, San Juan, Puerto Rico.
6. Graduate School of Public Health, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico.