1. Department of Biostatistics Harvard T. H. Chan School of Public Health Boston Massachusetts
2. Center for Outcomes Research and Evaluation Yale University and Yale‐New Haven Hospital New Haven Connecticut
3. Department of Chronic Disease Epidemiology Yale School of Public Health New Haven Connecticut
4. Section of Pulmonary and Critical Care Medicine Norwalk Hospital Norwalk Connecticut
5. Whitney Center Hamden Connecticut
6. Department of Sociology Graduate School University of New Hampshire Durham New Hampshire
7. Qualidigm Wethersfield Connecticut