1 Oncology Unit, Casa Sollievo della Sofferenza Hospital, San Giovanni Rotondo, Italy; Oncology Unit, Department of Precision Medicine, Università degli Studi della Campania 'Luigi Vanvitelli', Naples, Italy.
2 Department of Medical Oncology, Hospital Clínico Universitario, INCLIVA Biomedical Research Institute, University of Valencia, Valencia, Spain; CIBERONC, Instituto de Salud Carlos III, Madrid, Spain.
3 Department of Medical Oncology, Hospital Clínico Universitario, INCLIVA Biomedical Research Institute, University of Valencia, Valencia, Spain; CIBERONC, Instituto de Salud Carlos III, Madrid, Spain. Electronic address: andres.cervantes@uv.es.