Quality of life and depression in patients with amyotrophic lateral sclerosis – does the country of origin matter? - Ciećwierska, Katarzyna; Lulé, Dorothée; Bielecki, Maksymilian; Helczyk, Olga; Maksymowicz-Śliwińska, Anna; Finsel, Julia; Nieporęcki, Krzysztof; Andersen, Peter M.; Ludolph, Albert C.; Kuźma-Kozakiewicz, Magdalena (BMC Palliative Care, 2023)