Additional file 3 shows sixteen miRNA targets (A) RCN1, (B) MMP11, (C) COL14A1, (D) SLC38A9, (E) DKK3, (F) TTLL4, (G) SURF4, (H) TFRC, (I) BCL2L11, (J) PEG10, (K) MEF2C, (L) SYT7, (M) HK2, (N) TTL, (O) RDX, and (P) MSN that were significantly associated with survival in hepatitis-related liver cancer. The gene discussed is SURF4; the disease is hepatitis A virus infection.