1 Medical Oncology Department, Catalan Institute of Oncology - Badalona, Hospital Universitari Germans Trias i Pujol, Badalona, Department of Medicine, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain.
2 Medical Oncology Department, Catalan Institute of Oncology-Girona, Hospital Universitari Doctor Trueta Girona, Girona, Spain.
3 Molecular Biology Laboratory of Cancer Dr. Rosell, Can Ruti Campus: Institute Germans Trias i Pujol (IGTP), Catalan Institute of Oncology, Badalona, Spain.
4 Medical Oncology Department, Catalan Institute of Oncology - Hospital Duran i Reynalds, l'Hospitalet de Llobregat, Barcelona, Spain.
5 Medical Oncology Department, Hospital Parc Taulí, Sabadell, Barcelona, Spain.
6 Medical Oncology Department, Consorci Sanitari de Terrassa, Terrassa, Barcelona, Spain.
7 Research Nurse Team, Catalan Institute of Oncology - Badalona, Hospital Universitari Germans Trias i Pujol, Badalona, Spain.
8 Statistics Department, Fundació Germans Trias i Pujol, Badalona, Spain.