ERBB4 and intervertebral disk degenerative disorder: Among 11 genes in the most‐enriched term, regulation of growth (ERBB4, JARID2, PTEN, RPS6KA3, SMARCA4, LTBP4, HDAC6, SEMA6B, CHD7, EPPK1, EGLN2), eight (72.7%) were ASD/IDD genes.