1. Divisions of Cancer Epidemiology and Genetics and
2. Department of Oncology and Radiation Physics and the Oncological Centre, Sahlgrenska University Hospital, Goteborg, Sweden;
3. Department of Cancer Epidemiology, Lund University, Lund, Sweden;
4. Captain, United States Public Health Service (retired), Bethesda, Maryland;
5. Cancer and Radiation Epidemiology Unit, The Gertner Institute, Chaim Sheba Medical Center and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel;
6. University of Rochester School of Medicine and Dentistry, Department of Public Health Sciences, Rochester, New York;
7. Radiation Effects Research Foundation, Hiroshima, Japan (retired);
8. University of Illinois College of Medicine, Section of Endocrinology, Diabetes and Metabolism, Chicago, Illinois;
9. Program in Epidemiology, Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington;
10. Oncology, Department of Radiation Sciences, Umeå University, Umeå, Sweden;
11. Cancer Control and Population Sciences, National Cancer Institute, NIH, DHHS, Bethesda, Maryland;
12. Cancer Epidemiology Research Unit, National Institute for Health and Medical Research-Institut Gustave Roussy, Villejuif, France;
13. Centre for Childhood Cancer Survivor Studies, Department of Public Health and Epidemiology, University of Birmingham, Birmingham, United Kingdom; and
14. Department of Medical Physics, Radiumhemmet, Karolinska University Hospital and Karolinska Institute, Stockholm, Sweden