Department of Information Engineering and Computer Science, University of Trento, Trento 38123, Italy.|Centre for Integrative Biology, University of Trento, Trento 38123, Italy.|Department of Computer Science, Albert-Ludwigs-Universitaet Freiburg, Freiburg 79110, Germany.|Dipartimento di Ingegneria dellInformazione, University of Florence, Florence 50139, Italy.|Department of Information Engineering and Computer Science, University of Trento, Trento 38123, Italy.