1. Landspítali University Hospital, Reykjavík, Iceland;University of Iceland, Reykjavík, Iceland;
2. Scottish Meningococcus and Pneumococcus Reference Laboratory, Glasgow, United Kingdom;
3. Landspítali University Hospital, Reykjavík, Iceland;
4. Scottish Meningococcus and Pneumococcus Reference Laboratory, Glasgow, United Kingdom;University of Glasgow, Glasgow, United Kingdom