Validation of an Activity Type Recognition Model Classifying Daily Physical Behavior in Older Adults: The HAR70+ Model. - Astrid Ustad; Aleksej Logacjov; Stine Øverengen Trollebø; Pernille Thingstad; Beatrix Vereijken; Kerstin Bach; Nina Skjæret-Maroni (Sensors, 2023)