Addendum to: Cell Research (2014) 24:680-700. doi:10.1038/cr.2014.41; published online 2 May 2014

The RIP, CLIP, and RNA-seq data in this paper can be download via the following link. (SRA accession number: SRP043638)

http://www.ncbi.nlm.nih.gov/Traces/sra/?study=SRP043638

The microarray data can be download via the following link. (GEO accession number: GSE59291)

http://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE59291