The following sentence under is incorrect: “This confirms that substantial cTnI elevations occur significantly more frequently in DM1 patients compared with the manufacturertlycontrol population (p = 0.0007 in two-tailed Fisheril exact test).” The correct sentence is: “This confirms that substantial cTnI elevations occur significantly more frequently in DM1 patients compared with the manufacturer’s control population (p = 0.0007 in two-tailed Fisher’s exact test).” The gene discussed is TNNI3; the disease is myotonic dystrophy type 1.