separate columns in csv for chrom:start-end
separate columns in csv for chrom:start-end

Duke-GCB/iMADS,Duke-GCB/iMADS,Duke-GCB/TF-DNA-PredictionsDB,Duke-GCB/TF-DNA-PredictionsDB,Duke-GCB/iMADS,Duke-GCB/TF-DNA-PredictionsDB,Duke-GCB/TF-DNA-PredictionsDB,Duke-GCB/iMADS