1. Department of Teaching and Research Pernambuco Cancer Hospital Recife Brazil
2. Department of Pneumology Instituto de Medicina Integral Professor Fernando Figueira Recife Brazil
3. Department of Oncology Instituto de Medicina Integral Professor Fernando Figueira Recife Brazil
4. Oncologia D'Or Recife Brazil
5. Clinical Epidemiology Program Brazilian National Cancer Institute (INCA) Rio de Janeiro Brazil