Measurement properties of EQ-5D-3L and EQ-5D-5L in recording self-reported health status in older patients with substantial multimorbidity and polypharmacy oleh Arjun Bhadhuri, Paul Kind, Paola Salari, Katharina Tabea Jungo, Benoît Boland, Stephen Byrne, Stefanie Hossmann, Olivia Dalleur, Wilma Knol, Elisavet Moutzouri, Denis O’Mahony, Kevin D. Murphy, Linda Wisselink, Nicolas Rodondi, Matthias Schwenkglenks