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Figure 1 Pedigrees and haplotypes for families DCM-50 (A) and DCM-100 (B). Black symbols indicate individuals with cardiomyopathy; open symbols, unaffected status; and hatched symbols, unknown/indeterminate clinical status. The marker order from centromere to telomere is listed on the left of the figure, and the minimum disease haplotype for each family is enclosed in a box.