1. Infectious Disease Research Unit, Department of Clinical Sciences, Lund University, Malmö University Hospital, Malmö, Sweden; and Regional Department of Infectious Disease Control and Prevention, Malmö, Sweden
2. Competence Centre for Clinical Research, Lund University Hospital, Lund, Sweden
3. Department of Laboratory Medicine, Lund University, Lund, Sweden
4. Infectious Disease Research Unit, Department of Clinical Sciences, Lund University, Malmö University Hospital, Malmö, Sweden