1. LaKind Associates, LLC, Catonsville, MD, USA
2. Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, MD, USA
3. Burns Epidemiology Consulting, LLC, Sanford, MI, USA
4. LHP Tox Consult, LLC, Midland, MI, USA
5. Department of Applied Mathematics and Statistics, Johns Hopkins University, Baltimore, MD, USA
6. Gradient, Boston, MA, USA
7. LaKind Associates, LLC, Commerce City, CO, USA