ftp://ftp.ncbi.nlm.nih.gov/geo/series/GSE31nnn/GSE31595/suppl/GSE31595_RAW.tar
ftp://ftp.ncbi.nlm.nih.gov/geo/series/GSE31nnn/GSE31595/suppl/GSE31595_complete_dataset.txt.gz
ftp://ftp.ncbi.nlm.nih.gov/geo/series/GSE31nnn/GSE31595/suppl/GSE31595_readme.txt