CTNNA3 and cardiac arrhythmia: CTNNA3 (chr10q21.3q21.3×1 [66,195,323-66,324,900], 130 kb: #41; risk for cardiac arrhythmia); Multiple genes (15q11.2q11.2×1, 520 kb, maternally inherited: #26, risk for neurodevelopmental disease)