Affiliation: | a Serv. of Neurology, Hospital General Universitario, Madrid, Spainb Serv. of Medical Oncology, Hospital General Universitario, Madrid, Spainc Dept. of Pathology, Hospital General Universitario, Madrid, Spaind Serv. of Microbiology and Infectious Diseases, Hospital General Universitario, Madrid, Spaine Serv. of Radiology, Hospital General Universitario, Madrid, Spain |