The Microsoft Research - University of Trento Centre for Computational and Systems Biology, Piazza Manci 17 38100 Povo, Trento, Italy. ballarini@cosbi.eu|The Microsoft Research - University of Trento Centre for Computational and Systems Biology, Piazza Manci 17 38100 Povo, Trento, Italy. ballarini@cosbi.eu|The Microsoft Research - University of Trento Centre for Computational and Systems Biology, Piazza Manci 17 38100 Povo, Trento, Italy. ballarini@cosbi.eu|The Microsoft Research - University of Trento Centre for Computational and Systems Biology, Piazza Manci 17 38100 Povo, Trento, Italy. ballarini@cosbi.eu