1. Department of Oncology, Oxford Cancer Center, Oxford University Hospitals NHS Foundation Trust, Churchill Hospital, Old Road, OX3 7LE, Oxford, UK
2. Department of Oncology, University of Oxford, OX3 7DR, Oxford, UK
3. Master in Science Post-Graduate Program in Medical Oncology, University of Buckingham, MK18 1EG, Buckingham, UK
4. Post Graduation Program in Medicine, Faculty of Medicine, Nine of July University (UNINOVE), Rua Vergueiro, 235, 12o andar, 015250-000, São Paulo, Brazil
5. Instituto Nacional de Enfermedades Neoplasicas, Lima, Peru