1. Landauer, Inc (Retired), Glenwood, IL, USA;
2. Memorial Sloan-Kettering Cancer Center, New York, NY, USA;
3. Columbia University (Retired), New York, NY, USA;
4. National Council on Radiation Protection and Measurements, Bethesda, MD, USA;
5. Vanderbilt Epidemiology Center, Division of Epidemiology Department of Medicine, Vanderbilt-Ingram Cancer Center Vanderbilt University Medical Center, Nashville, TN, USA;
6. Cascade Scientific, Inc, Bend, OR, USA;
7. International Epidemiology Institute, Rockville, MD, USA;
8. Landauer, Inc, Glenwood, IL, USA;
9. Mayo Clinic (retired), Rochester, MN, USA