Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.|Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.|Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.|Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.|Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.|Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.|Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.|Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.|Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.|Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.|Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.|Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.|Program in Molecular and Computational Biology, University of Southern California, Los Angeles, USA.