The impact of chronic diseases on all-cause mortality in Spain: A population-based cohort study Elena Caride-Miana; Domingo Orozco-Beltrán; Jose Antonio Quesada-Rico; Jose Joaquin Mira-Solves;

Risk factors associated with COVID-19 infection and mortality in nursing homes Idoia Beobide Telleria; Alexander Ferro Uriguen; Esther Laso Lucas; Cinzia Sannino Menicucci; Maria Enriquez Barroso; Adolfo López de Munain Arregui;

Impacto de la fragilidad y COVID-19 en una cohorte de gente mayor de la ciudad de Barcelona María Victoria Feijóo Rodríguez; Francesc Orfila Pernas; Andrea Viviana Sánchez Callejas; Carles Valero García; Isabel Plaza Espuña; José Luis del Val García;