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Figure 1 Pedigree of Family D.R.

Solid symbols denote presence of hypertension (left) and/or atrial fibrillation (AF) (right), and striped symbols denote individuals with uncertain phenotype. Male subjects are shown as squares and female subjects as circles. The family proband (arrow) and the presence (+) or absence (–) of the R14C KCNQ1 mutation are indicated.