Istituto di Tecnologie Biomediche, Consiglio Nazionale delle Ricerche, Via F. lli Cervi 93, 20090 Segrate-Milan, Italy; Genome Institute of Singapore, Department of Information and Math Sciences, 60 Biopolis Street, Singapore 138672; Centro Ricerche Interdipartimentale Biotecnologie Innovative, University of Padua, 35121 Padua, Italy; Istituto Nazionale Tumori, Via Venezian 31, 20133 Milan, Italy; Max Planck Institute for Molecular Biomedicine, Cell and Developmental Biology, D48149 Muenster,... (At 2004-12-17)