1. Microbiology, Department of Laboratory Medicine, Royal Infirmary of Edinburgh, Edinburgh, Scotland, United Kingdom
2. Health Protection Scotland, Glasgow, Scotland, United Kingdom
3. West of Scotland Specialist Virology Centre, Glasgow, Scotland, United Kingdom
4. Microbiology Department, Raigmore Hospital, Inverness, Scotland, United Kingdom
5. Department of Medical Microbiology, Aberdeen Royal Infirmary, Aberdeen, Scotland, United Kingdom
6. Department of Medical Microbiology, Ninewells Hospital and Medical School, Dundee, Scotland, United Kingdom