1. Infectious Diseases Department, Hospital Ramón y Cajal, Carretera de Colmenar Km 9.1, 28034 Madrid, Spain
2. Ramón y Cajal Research Institute (IRYCIS), 28034 Madrid, Spain
3. CIBER de Enfermedades Infecciosas (CIBERINFEC), 28029 Madrid, Spain
4. Department of Medicine, University of Alcalá de Henares, Guadalajara Campus, 28801 Alcalá de Henares, Spain