Cost of illness in patients with COVID-19 admitted in three brazilian public hospitals - Oliveira, Layssa Andrade; Lucchetta, Rosa Camila; Mendes, Antônio Matoso; Bonetti, Aline de Fátima; Xavier, Cecilia Silva; Sanches, Andréia Cristina Conegero; Borba, Helena Hiemisch Lobo; Oliota, Ana Flávia Redolfi; Rossignoli, Paula; Mastroianni, Patrícia de Carvalho; Venson, Rafael; Virtuoso, Suzane; et al. (Value in Health Regional Issues, 2023)