KCNQ1 and atrial fibrillation: The highest frequency of occurrence in healthy participants among all PVs and LPVs was shown by rs730880808 in MYH7 (AF = 0.000313, 47 alleles), rs137929307 in LDLR (AF = 0.00022, 33 alleles “reviewed by expert panel” in ClinVar), and rs762814879 in KCNQ1 (AF = 0.00022, 33 alleles) (Supplementary Table S2).