1. National Referral Unit for Tropical Diseases , Infectious Diseases Department, , Madrid 28034 , Spain
2. Ramón y Cajal University Hospital, IRYCIS, Universidad de Alcalá, CIBER de Enfermedades Infecciosas , Infectious Diseases Department, , Madrid 28034 , Spain
3. Hematology Department, Ramón y Cajal University Hospital, IRYCIS , Madrid 28034 , Spain