| Affiliation: | (1) Department of Medical Oncology, Hospital La Paz, Paseo de la Castellana 261, 28046 Madrid, Spain;(2) Department of Medical Oncology, Hospital Puerto Real, Cádiz, Spain;(3) Department of Medical Oncology, Hospital Arnau de Vilanova, Lleida, Spain;(4) Department of Medical Oncology, Hospital Vírgen de Las Nieves, Granada, Spain;(5) Department of Medical Oncology, Hospital Nuestra Señora de la Candelaria, Tenerife, Spain;(6) Department of Medical Oncology, Hospital de San Juan, Alicante, Spain;(7) Department of Medical Oncology, Clínica Corachan, Barcelona, Spain;(8) Oncopaz Cooperative Group, Spain |
