1. Centre for Academic Primary Care, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
2. Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
3. National Institute for Health Research, Health Protection Research Unit in Behavioral Science and Evaluation of Interventions, University of Bristol, Bristol, United Kingdom
4. Centre for Academic Primary Care, University of Bristol, Bristol, United Kingdom
5. Public Health England, Southwest Regional Laboratory, National Infection Service, Southmead Hospital, Bristol, United Kingdom
6. Bristol Centre for Antimicrobial Research and Evaluation, Pathology Sciences, North Bristol NHS Trust, Bristol, United Kingdom
7. Field Service, National Infection Service, Public Health England, Bristol, United Kingdom