1 Infectious Disease Service, Hospital del Mar, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain; CIBERINFEC ISCIII, CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain.
2 Institute for Hygiene and Public Health, University Hospital Bonn, Bonn, Germany.
3 Center for Innovative Therapeutics and Diagnostics (citdx.org), Richmond, VA, USA; Departments of Medicine and Microbiology & Immunology, University of Maryland School of Medicine, Baltimore, MD, USA. Electronic address: [email protected].