1. Department of Preventive Oncology; National Center for Tumor Diseases and German Cancer Research Center; 69120 Heidelberg Germany
2. Public Health Sciences Division; Fred Hutchinson Cancer Research Center; Seattle WA 98109
3. Channing Laboratory; Department of Medicine; Brigham and Women's Hospital, Harvard Medical School; Boston MA 02115
4. Department of Epidemiology; Harvard School of Public Health; Boston MA 02115
5. University of North Carolina School of Medicine; Chapel Hill NC 27599
6. Department of Molecular Genetics and Microbiology; Duke University School of Medicine; Durham NC 27710
7. University of Southern California; Keck School of Medicine; Los Angeles CA 90089
8. Centre for Public Health Research; Massey University; Wellington New Zealand
9. University of Texas Health Science Center at Houston; Houston TX 77030
10. Centre for MEGA Epidemiology, School of Population & Global Health; The University of Melbourne; Melbourne VIC 3010 Australia