Correction: Assessing COVID-19 testing strategies in K-12 schools in underserved populations: study protocol for a cluster-randomized trial. - Hayes S; Malone S; Bonty B; Mueller N; Reyes SM; Reyes SA; Evans C; Wilcher-Roberts M; Watterson T; Akuse S; Shelley J; Yuan G; et al. (BMC public health, 2022)