sentence: To enable researchers to take advantage of the latest research on probe set re-definition and re-annotation , we implemented the custom CDF and probe set re-annotation by Dai et al. ( 2005 ) and by Risueno et al. ( 2010 ) for Affymetrix GeneChips and probe re-annotation by Du et al. ( 2008 ) and Barbosa-Morais et al. ( 2009 ) for Illumina BeadArrays .