1. Medical Oncology Department, Lozano Blesa University Clinical Hospital, Zaragoza, Spain
2. Medical Oncology Department, University General Hospital of Alicante, Alicante, Spain
3. Medical Oncology Department, University Hospital Complex of Vigo, Vigo, Pontevedra, Spain
4. Coporate Affairs Department, Roche Pharma, Madrid, Spain
5. Medical Department, Roche Pharma, Madrid, Spain
6. Pharmacoeconomics & Outcomes Research Iberia (PORIB), Pozuelo de Alarcón, Madrid, Spain