1. CDC COVID-19 Response, Centers for Disease Control and Prevention (CDC) , Atlanta, Georgia , USA
2. Georgia Tech Research Institute , Atlanta, Georgia , USA
3. Geospatial Research, Analysis, and Services Program (GRASP), Agency for Toxic Substances and Disease Registry, CDC , Atlanta, Georgia , USA
4. Vitalant Research Institute , San Francisco, California , USA
5. Westat, Inc , Rockville, Maryland , USA
6. Scientific Affairs, American Red Cross , Gaithersburg, Maryland , USA