1 U.S. Food & Drug Administration (retired), Falls Church, Virginia, USA.
2 Radiological Physics and Health Services, Georgetown University, Washington, District of Columbia, USA.
3 U.S. Nuclear Regulatory Commission, Washington, District of Columbia, USA.
4 Nuclear and Radiological Engineering and Medical Physics Programs, George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA.
5 Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, Colorado, USA.
6 Nuclear Energy Institute, Washington, District of Columbia, USA.
7 Department of Physics & Astronomy, Louisiana State University, Baton Rouge, Louisiana, USA.
8 Department of Physics & Astronomy, Mary Bird Perkins Cancer Center, Baton Rouge, Louisiana, USA.
9 Texas A&M University, College Station, Texas, USA.
10 Nuclear and Radiological Engineering and Medical Physics, Georgia Institute of Technology, Atlanta, Georgia, USA.