1. Department of Management Science and Engineering, Stanford University, Stanford, California
2. Department of Public Health, Weill Medical College, Cornell University, New York
3. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Stanford University, Stanford, California
4. Nathaniel Hupert is currently Director of the Preparedness Modeling Unit of the US Centers for Disease Control and Prevention, Center for Primary Care and Outcomes Research Stanford University, Stanford, California