Correction to: Attention-deficit/hyperactivity disorder and lifetime cannabis use: genetic overlap and causality - Soler Artigas, María; Sánchez-Mora, Cristina; Rovira, Paula; Richarte, Vanesa; Garcia-Martínez, Iris; Pagerols, Mireia; Demontis, Ditte; Stringer, Sven; Vink, Jacqueline M.; Børglum, Anders D.; Neale, Benjamin M.; Franke, Barbara; et al. (Molecular Psychiatry, 2021)