1. Department of Biology, University of Oxford, Oxford, United Kingdom
2. Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, United Kingdom
3. Department of Paediatrics, Imperial College Healthcare NHS Trust, London, United Kingdom
4. Public Health Scotland, Glasgow/Edinburgh, United Kingdom
5. Bacterial Respiratory Infection Service, Scottish Microbiology Reference Laboratory, Glasgow Royal Infirmary, Glasgow, United Kingdom
6. College of Medical, Veterinary & Life Sciences, Glasgow Dental Hospital & School, University of Glasgow, Glasgow, United Kingdom