1. National Council on Radiation Protection and Measurements, Bethesda, MD, USA
2. Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center and Vanderbilt-Ingram Cancer Center, Vanderbilt University, Nashville, TN, USA
3. EpidStrategies, Cary, NC, USA
4. International Epidemiology Institute, Rockville, MD, USA
5. Vanderbilt University Medical Center, Nashville, TN, USA
6. Oak Ridge Associated Universities, Oak Ridge, TN, USA
7. Landauer Inc (Retired), Glenwood, IL, USA
8. Department of Medical Physics, Memorial Sloan Kettering Cancer Center, New York, NY, USA