1. Section of Epidemiology, Institute of Cancer Research, Sutton, United Kingdom
2. Karolinska Institutet, Institute of Environmental Medicine, Stockholm, Sweden
3. Cancer and Population Studies Unit, Queensland Institute of Medical Research, Brisbane, Australia
4. School of Translational Medicine, University of Manchester, Manchester, United Kingdom
5. Department of Epidemiology, University of California at Los Angeles, Los Angeles, California, USA
6. Department of Community Health, and
7. Department of Obstetrics and Gynecology, Brown University, Providence, Rhode Island, USA