APOE and Alzheimer disease: Left precuneus, posterior cingulate and superior parietal cortex in MCI-to-AD converters (Morbelli et al., 2010), bilaterally in Fukai et al. (2018), and ApoE ε4 carriers (Langbaum et al., 2010); temporal, angular and posterior cingular areas (Ou et al., 2019); frontal, posterior temporal, and parietal cortex (Meltzer et al., 1996)