1. Center for International Health, Medical Center of the University of Munich (LMU), Munich, Germany
2. Department of Epidemiology, School of Public Health; University of São Paulo; São Paulo Brazil
3. Population-Based Cancer Registry of São Paulo, Department of Epidemiology; University of São Paulo; São Paulo Brazil
4. Municipal STD-AIDS Program, Secretaria Municipal de Saúde; São Paulo Brazil
5. A. C. Camargo Cancer Center; São Paulo Brazil
6. International Prevention Research Institute; Lyon France
7. Cancer Epidemiology Unit, CRO Aviano National Cancer Institute IRCCS; Aviano Italy
8. Division of Infectious Diseases and Tropical Medicine; Medical Center of the University of Munich (LMU); Munich Germany
9. Department of Statistics, University of Munich (LMU); Munich Germany