Belgian population norms for the EQ-5D-5L, 2018, Van Wilder, Lisa, Charafeddine Rana, Beutels Philippe, Bruyndonckx Robin, Cleemput Irina, Demarest Stefaan, De Smedt Delphine, Hens Niel, Scohy Aline, Speybroeck Niko, et al. , Quality of Life Research, Jan-02-2022, Volume 31, Issue 2, Number 537, (2022)