COVID-19 outbreak in Brazil: adherence to national preventive measures and impact on people’s lives, an online survey - Villela, Edlaine Faria de Moura; López, Rossana Verónica Mendoza; Sato, Ana Paula Sayuri; Oliveira, Fábio Morato de; Waldman, Eliseu Alves; Van den Bergh, Rafael; Fodjo, Joseph Nelson Siewe; Colebunders, Robert (BMC Public Health, 2021)