DKK1 and head and neck squamous cell carcinoma: Among those upregulated lncRNAs, lncRNA‐activating regulator of DKK1 (LNCAROD) (also named aslnc‐MBL2‐4 or LINC01468) was found to be overexpressed in HNSCC samples, which is in consistent with a previous report (Gao et al., 2014).