1. Faculty of Psychology, University of Barcelona, 08007 Barcelona, Spain
2. Department of Medical Oncology, Hospital General Universitario de Ciudad Real, 13005 Madrid, Spain
3. Department of Medical Oncology, Hospital General Virgen de la Luz, 16002 Cuenca, Spain
4. Department of Medical Oncology, Hospital La Paz, 28046 Madrid, Spain
5. Department of Medical Oncology, Hospital Universitario Central de Asturias, Instituto de Investigación del Principado de Asturias (ISPA), 33011 Oviedo, Spain