Human Epidemiology and Response to SARS-CoV-2 (HEROS): objectives, design, and enrollment results of a 12-city remote observational surveillance study of households with children, using direct-to-participant methods. - Fulkerson PC; Lussier SJ; Bendixsen CG; Castina SM; Gebretsadik T; Marlin JS; Russell PB; Seibold MA; Everman JL; Moore CM; Snyder BM; Thompson K; et al. (American journal of epidemiology, 2024)