1. Centre for Cancer PreventionWolfson Institute of Preventive Medicine, Queen Mary University of London London United Kingdom
2. Division of Cancer Epidemiology and GeneticsNational Cancer Institute, National Institutes of Health, DHHS Bethesda MD USA
3. Faculty of Life Sciences & MedicineSchool of Cancer & Pharmaceutical Sciences, Guys Cancer Centre, Guys Hospital, King's College London London SE1 9RT United Kingdom
4. Information Management Services Inc. Calverton MD USA
5. Regional LaboratoryKaiser Permanente Northern California Berkeley CA USA
6. Division of Gynaecologic OncologyKaiser Permanente Medical Care Program Oakland CA USA
7. Albert Einstein College of Medicine Bronx NY USA