1. Department of Bacteriology, Swedish Institute for Infectious Disease Control, Solna, Sweden
2. Department of Clinical Microbiology
3. Department of Infectious Diseases, Örebro University Hospital, Örebro, Sweden
4. Department of Communicable Disease Control and Prevention, Karolinska University Hospital, Stockholm, Sweden
5. Department of Clinical Sciences, Infectious Disease Research Unit, Malmö University Hospital, Lund University, Malmö, Sweden