Local, state and federal face mask mandates during the COVID-19 pandemic. (5th April 2021) - Guzman-Cottrill, Judith A.; Malani, Anurag N.; Weber, David J.; Babcock, Hilary; Haessler, Sarah D.; Hayden, Mary K.; Henderson, David K.; Murthy, Rekha; Rock, Clare; Van Schooneveld, Trevor; Wright, Sharon B.; Forde, Corey; et al.