Varying (preferred) levels of involvement in treatment decision-making in the intensive care unit before and during the COVID-19 pandemic: a mixed-methods study among relatives. - Sophie C. Renckens; H. Roeline Pasman; Zina Jorna; Hanna T. Klop; Chantal du Perron; Lia van Zuylen; Monique A. H. Steegers; Birkitt L. ten Tusscher; Margo M. C. van Mol; Lilian C. M. Vloet; Bregje D. Onwuteaka-Philipsen (BMC Medical Informatics Decis. Mak., 2024)