Spread(1) Patient(1) Care(1) Stage(1) Hospital resources planning(1) Hospitalization(1) conducted(1) virus(1) Health(1) resource(1) Logistic(1) positive(1) resulting(1) Epidemics(1) Outbreaks(1) Spain(1) Bed occupancy(1) functions(1) Gompertz growth model(1) COVID-19 pandemic(1) provide(1) ICU(1) healthcare(1) Admission(1) growth(1) Discrete event simulation model(1) COVID-19(1) caused(1) intensive care unit(1) Region(1)