1. Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
2. COVID-19 Response Team, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
3. Laboratory Leadership Service, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
4. City of Milwaukee Health Department Laboratory, Milwaukee, Wisconsin, USA
5. Wisconsin Department of Health Services, Madison, Wisconsin, USA
6. Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee, USA