Influence of short‐term training on functional capacity and (anti‐)inflammatory immune signalling in acute hospitalization. Issue 4 (8th June 2020) - Ramírez‐Vélez, Robinson; Martínez‐Velilla, Nicolás; Fernández‐Irigoyen, Joaquín; Santamaría, Enrique; Palomino‐Echeverría, Sara; Izquierdo, Mikel