Epidemic trends, public health response and health system capacity: the Chilean experience in four months of the COVID-19 pandemic - Mauricio Canals; Cristóbal Cuadrado; Andrea Canals; Karla Yohannessen; Luis A. Lefio; Maria P. Bertoglia; Pamela Eguiguren; Izkia Siches; Verónica Iglesias; Oscar Arteaga (Pan American Health Organization, 2020)