1. Harvard T.H. Chan School of Public Health, C-CHANGE, Boston, Massachusetts 02215, United States
2. PSE Healthy Energy, Oakland, California 94612, United States
3. Atmospheric and Environmental Research (AER), Lexington, Massachusetts 02421, United States
4. Home Energy Efficiency Team (HEET), Cambridge, Massachusetts 02139, United States
5. Gas Safety Incorporated, Southborough, Massachusetts 01772, United States
6. Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02215, United States
7. Boston University, Boston, Massachusetts 02215, United States