CDKN2A and stroke disorder: Moreover, human genomewide association studies have identified genetic variants in the INK4/ARF locus on 9p21.3 that confer increased risk of atherosclerotic vascular diseases such as stroke, aortic aneurysm or myocardial infarction, as well as to additional age‐related diseases such as type 2 diabetes or glaucoma (Liu et al., 2009; Jeck et al., 2012).