1. Department of Biological Sciences, University of Alberta, Edmonton, AB, Canada
2. Enteric Diseases Laboratory Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
3. IHRC, Incorporated, Atlanta, GA, USA
4. School of Biology, Georgia Institute of Technology, Atlanta, GA, USA
5. Applied Bioinformatics Laboratory, Atlanta, GA, USA
6. PanAmerican Bioinformatics Institute, Santiago de Cali, Valle del Cauca, Colombia