1. Cognigen Corporation, a Division of Simulations Plus, Inc., Buffalo, New York, USA
2. Bill and Melinda Gates Foundation, Seattle, Washington, USA
3. Department of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
4. Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, Colorado, USA
5. Erasmus MC, University Medical Center Rotterdam, Department of Medical Microbiology and Infectious Diseases, Rotterdam, the Netherlands
6. Critical Path Institute, Tucson, Arizona, USA