FOXK2 and atrial fibrillation: The left hemisphere showed extensive changes in the AF (p < 0.01), ILF (p < 0.01), SLF_II (p < 0.01), SLF_III (p < 0.01), T_PREM (p < 0.01), STR (p < 0.01), and ST_PREM (p = 0.014).