[1] Hosp Gen Univ Gregorio Maranon, Clin Microbiol & Infect Dis Dept, Madrid 28007, Spain
[2] Univ Complutense Madrid, CIBER Enfermedades Resp CB06 06 0058, Madrid, Spain
[3] Univ Complutense Madrid, Fac Med, Madrid, Spain
[4] Hosp Gen Univ Gregorio Maranon, Red Espanola Invest Patol Infecciosa REIPI RD06, Madrid 28007, Spain
[5] Hosp Gen Univ Gregorio Maranon, Dept Clin Hematol, Madrid 28007, Spain