We thank Camille Barette for help in setting up the informatics recourses and Philippe Hupé for fruitful discussions and suggestions during NaviCell development.

This work is supported by the APO-SYS EU FP7 project under grant agreement n° HEALTH-F4-2007-200767.

IK, DC, LC, EB and AZ are members of the team "Computational Systems Biology of Cancer", Equipe labellisée par la Ligue Nationale Contre le Cancer.

NaviCell development is supported by "Agilent Thought Leader Award" #3273 from Agilent company. Press release.

Thanks to Tatiana Popova for preparing the TCGA ovarian cancer dataset.