1 Center for Computational Biology and Bioinformatics, The University of Texas at Austin, Austin, TX 78712, USA. Electronic address: steve.bellan@gmail.com.
2 Department of Biology and Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA; Fogarty International Center, National Institutes of Health, Bethesda, MD, USA.
3 Department of Biology and Institute of Infectious Disease Research, McMaster University, Hamilton, ON, Canada.
4 Department of Integrative Biology, The University of Texas at Austin, Austin, TX 78712, USA; Santa Fe Institute, Santa Fe, NM, USA.