HSPG2 and cardiomyopathy: A STRING‐based pathway enrichment analysis highlighted key networks associated with heart development (e.g., EGFR, DSG2, EPHB4, NRP1, NRP2, p value 2.5E‐22), cardiac conduction (e.g., PKP2, CAMK2D, CXADR, p value 1.7E‐05), cardiomyopathy (e.g., DAG1, CDH2, ITGB1, SGCD, PKP2, p value 1E‐13), EC proliferation (e.g., HSPG2, ADAM17, ECM1, p value 6.2E‐08) and wound healing (e.g., CD109, SERPING1, SERPIND1, SERPINC1, p value 2.7E‐15) (Table S12).