1. International Agency for Research on Cancer (IARC), Lyon 69372, France
2. Institute of Nutrition, Genetics and Metabolism Research, Faculty of Medicine, Universidad El Bosque, Bogotá 110121, Colombia
3. Departamento de Saúde Coletiva, Faculdade de Ciências Médicas da Santa Casa de São Paulo, São Paulo CEP01221-020, Brazil
4. Current present address: Rajiv Gandhi Centre for Biotechnology, Trivandrum 695010, India
5. Instituto Angel Roffo, Buenos Aires C1417DTB, Argentina
6. CRO Aviano National Cancer Institute, Aviano 33081, Italy
7. Charles University, 1st Faculty of Medicine, Prague 116 36, Czech Republic
8. Laboratory of Public Health and Population Studies, University of Padova, Padova 35122, Italy
9. Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens 11527, Greece