1 Institute for Hygiene and Public Health, University Hospital Bonn, Bonn, Germany. Electronic address: [email protected].
2 Department of Infectious Diseases, Aalborg University Hospital, Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.
3 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.