Fetches microarray probe positions from the GEO database.
The probe positions are fetched from the GEO database and appended to the input file. For a list of available platforms, please see this list. Please see the GEO entry for the particular platform to very which genome build the mappings refer to.
The input file appended with three new columns: chromosome, start, end.
Edgar et al. (2002) Gene Expression Omnibus: NCBI gene expression and hybridization array data repository. Nucleic Acids Res 30: 207
Flicek et al. (2010) Ensembl's 10th year. Nucleic Acids Res 38: D557-62