 Using our age-stratified  model and curated epidemiological and vaccination data, we quantified at which pace European countries can lift restrictions without overwhelming their health-care systems.
<meaning-changed>  Using our age-stratified  model and curated epidemiological and vaccination data, we quantified at which pace European countries can lift restrictions without overwhelming their health-care systems.
 Using our age-stratified SEIRD-ICU compartmental model and curated epidemiological and vaccination data, we quantified at which pace European countries can lift restrictions without overwhelming their health-care systems.