. "2020-08-13"^^ . "Mircheva, Iskra" . "Kassaye, Seble" . "Bridgeland, David" . "JMIR Public Health Surveill" . "Lau, Edwin" . . . "Medline; PMC" . "32788148" . "Pandl, Konstantin" . "cc-by" . "Rapid Deployment of a Free, Privacy-Assured COVID-19 Symptom Tracker for Public Safety During Reopening: System Development and Feasibility Study" . "32788148" . . "Sanchez, Travis" . "PMC7431234" . . . "Cederholm, John" . "10.2196/19399" . . "Dimolitsas, Spiros" . "Smart, JC" . "Spence, Amanda" . .