1. International Agency for Research on Cancer Lyon France
2. Division of Cancer Epidemiology and Genetics National Cancer Institute Bethesda Maryland USA
3. St James University Hospital Leeds UK
4. CINTESIS ‐ Center for Health Technology and Services Research, Faculty of Medicine, University of Porto Porto Portugal
5. Kirby Institute, University of New South Wales Sydney New South Wales Australia
6. Chronic Viral Illness Service, McGill University Health Centre and Department of Family Medicine McGill University Montreal Quebec Canada
7. Department of Surgery University of Toronto Toronto Ontario Canada
8. Obstetrics and Gynecology Boston University School of Medicine Boston Massachusetts USA