1. King's College London; Division of Cancer Studies; Cancer Epidemiology Group; London UK
2. Department of Chronic Disease Epidemiology; Epidemiology, Biostatistics and Prevention Institute (EBPI); University of Zurich; Zurich Switzerland
3. Department of Epidemiology; Johns Hopkins Bloomberg School of Public Health; Baltimore MD USA
4. Department of Endocrinology; Johns Hopkins University School of Medicine; Baltimore MD USA
5. Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins; Baltimore MD USA
6. Department of Environmental Health Sciences; Johns Hopkins Bloomberg School of Public Health; Baltimore MD USA
7. Unit of Epidemiology; Institute of Environmental Medicine; Karolinska Institutet; Stockholm Sweden