1. Hematology Department, Hospital Universitario Infanta Leonor, 28031 Madrid, Spain
2. Radiology Department, Clínica Universidad de Navarra, 28031 Madrid, Spain
3. Pathology Department, Hospital Universitario Infanta Leonor, 28031 Madrid, Spain
4. Otorhinolaryngology Department, Hospital Universitario Infanta Leonor, 28031 Madrid, Spain
5. Geriatrics Department, Hospital Universitario Infanta Leonor, 28031 Madrid, Spain