Clinical and epidemiological characteristics of children with SARS-CoV-2 infection: a case series in Sinaloa - Perez-Gaxiola, G; Flores-Rocha, R; Valadez-Vidarte, J C; Hernandez-Alcaraz, M; Herrera-Mendoza, G; Real-Lugo, M AD (Bol Med Hosp Infant Mex, 2021)