FOXO3 and cancer: Although FOXO3 is a tumor suppressor (Lam et al., 2013; Fruman & Rommel, 2014), we could find only one study that reported an association of FOXO3 genotype with all‐cancer mortality (Pawlikowska et al., 2009) and another study in which a borderline association with cancer prevalence was found (Willcox et al., 2008).