1. Department of Business Information Technology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
2. Department of Statistical Sciences and Operations Research and the Center for the Study of Biological Complexity, Virginia Commonwealth University, Richmond, Virginia 23284
3. Department of Microbiology and Immunology and the Center for the Study of Biological Complexity, Virginia Commonwealth University, Richmond, Virginia 23298
4. Department of Chemical and Life Sciences and the Center for the Study of Biological Complexity, Virginia Commonwealth University, Richmond, Virginia 23284