1 Department of Medical Oncology, Catalan Institute of Oncology, L'Hospitalet de Llobregat, Barcelona 08908, Spain; Preclinical and Experimental Research in Thoracic Tumors (PRETT) Group, Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Spain; Department of Clinical Sciences, Faculty of Medicine and Health Sciences, Barcelona University, Barcelona, Spain. Electronic address: esnadal@iconcologia.net.
2 Department of Radiation Oncology, Catalan Institute of Oncology, L'Hospitalet de Llobregat, Barcelona 08908, Spain.