Before revision:  The method is implemented in the R package pnea, that can be freely downloaded from CRAN repositories. Application to genetic data shows that PNEA detects most of the enrichments that are found with traditional GEA tests, and unveils some further enrichments that would be overlooked, if dependences between genes were ignored.
After revision:  The method is implemented in the R package pnea, that can be freely downloaded from CRAN URL