Computational Biology & Bioinformatics Graduate Program, Duke University, Durham, North Carolina, United States of America.|Computational Biology & Bioinformatics Graduate Program, Duke University, Durham, North Carolina, United States of America.|Center for Genomic & Computational Biology, Duke University, Durham, North Carolina, United States of America.|Center for Genomic & Computational Biology, Duke University, Durham, North Carolina, United States of America.|Computational Biology & Bioinformatics Graduate Program, Duke University, Durham, North Carolina, United States of America.|Department of Computer Science, Princeton University, Princeton, New Jersey, United States of America.