Function that reads a CSV file of probesets or gene symbols and, in the latter case, it retrieves the original probesets
probesetRetrieval(
probesets_or_gene_symbols,
csv_file_name,
platformCode,
verbose = FALSE
)a vector of probesets
flag saying if we're reading probesets or gene symbols
complete name of CSV file containing the probesets or the gene symbols
code of the microarray platform for which the probeset-gene symbol mapping should be done
prints all the intermediate message to standard output or not