Bioinformatics Division, The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3052, Department of Medical Biology, University of Melbourne, Victoria 3010, Melanoma Research Laboratory, Peter MacCallum Cancer Centre, East Melbourne, Victoria 3002, Department of Pathology, The University of Melbourne, Victoria 3010, NICTA Victoria Laboratory, The University of Melbourne, Victoria 3010, Department of Computing and Information Systems, University of Melbourne, Victoria 3010, Cancer Therapeutics Program, Peter MacCallum Cancer Centre, East Melbourne, Victoria 3002, Sir Peter MacCallum Department of Oncology, The University of Melbourne, Victoria 3010, Department of Mathematics and Statistics, The University of Melbourne, Victoria 3010 and Bioinformatics and Cancer Genomics Laboratory, Peter MacCallum Cancer Centre, East Melbourne, Victoria 3002, Australia.