1. a Department of Medical Oncology, San Carlos University Hospital, Madrid, Spain
2. b MD Anderson Cancer Center, Houston, Texas, USA
3. c Department of Oncology, Vírgen de la Victoria University Hospital, Málaga, Spain
4. d Department of Cardiovascular Diseases, Mayo Clinic, Scottsdale, Arizona, USA
5. e Department of Cardiology, San Carlos University Hospital, Madrid, Spain