A novel methodology for using light-scattering sensors to measure indoor particulate matter in a multi-site clinical trial. - Walker, Ethan S.; Cox, Sara M.; Jones, David; Stewart, Taylor; Faiella, Jennifer; Leary, Cindy S.; Chassereau, Laurie; Fu, Linda Y.; Lee, Jeannette Y.; Smith, Paul G.; Cowan, Kelly; Semmens, Erin O. (Discover Environment, 2026)