Jonathan W Goldman1, Luis Paz-Ares2. 1. David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, USA. 2. Department of Medical Oncology, Hospital Universitario 12 de Octubre, H120-CNIO Lung Cancer Unit, Universidad Complutense and Ciberonc, Madrid 28041, Spain. Electronic address: lpazaresr@seom.org.