DNAJC2 and neuroblastoma: There was a positive expression correlation between ZRF1 and ALDH3A1 (R = 0.131, P = 3.4 × 10− 3), NDUFA1 (R = 0.334, P = 2.0 × 10− 14), or NDUFAF5 (R = 0.315, P = 6.6 × 10− 13) in 498 NB specimens (Fig. 7b).