Nursing and Paramedical Care for People with Chronic Illnesses, Faculty of Health Care, University of Applied Science Utrecht, Utrecht, The Netherlands;
Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands;
Department of Surgery and Orthopedics, Röpcke Zweers Hospital, Hardenberg, The Netherlands;
Heart and Lung Department, St. Antonius Hospital, Nieuwegein, The Netherlands;
Frailty; Older; People; General; Hospital; Cardiac; Surgery; Delirium;