1. Department of Infectious Diseases; Sahlgrenska University Hospital; Gothenburg Sweden
2. Department of Infectious Diseases; Institute of Biomedicine; Sahlgrenska Academy; Gothenburg University; Gothenburg Sweden
3. Department of Paediatrics; Queen Silvia Children's Hospital; Sahlgrenska University Hospital; Gothenburg Sweden
4. Department of Paediatrics; Institute of Clinical Sciences; Sahlgrenska Academy; Gothenburg University; Gothenburg Sweden
5. Hospital Infection Control; Department of Clinical Bacteriology; Sahlgrenska University Hospital; Gothenburg Sweden