Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu|Center for Bioinformatics and Computational Biology, The University of Iowa, Iowa City, IA 52242, USA. tscheetz@eng.uiowa.edu