PNAS. BMC Bioinformatics. Section Editors Adam Godzik, Sanford-Burnham Medical Research Institute and UCSD Lawrence Hunter, University of Colorado Denver Igor Jurisica, Ontario Cancer Institute Alexey Nesvizhskii, University of Michigan Adam Olshen, University of California, San Francisco Hanchuan Peng, Allen Institute for Brain Science Graziano Pesole, University of Bari Mihai Pop, University of Maryland Executive Editor Irene Pala, BioMed Central.