Department of Cancer Biology.|Department of Informatics, Systems and Communication, University of Milano-Bicocca, Milan, Italy.|Quantitative Systems Biology Center, Vanderbilt University, Nashville, TN 37232, USA.|Department of Cancer Biology.|Department of Informatics, Systems and Communication, University of Milano-Bicocca, Milan, Italy.|Department of Informatics, Systems and Communication, University of Milano-Bicocca, Milan, Italy.|SYSBIO.IT Centre of Systems Biology, Milan, Italy.|Department of Cancer Biology.