1. Faculty of Veterinary Medicine; Ghent University; Merelbeke Belgium
2. Institute of Pharmaceutical Science; King's College London; London UK
3. The Maudsley Hospital; London UK
4. Department of Gastroenterology; King's College Hospital; London UK
5. Statistics Modelling and Economics Department of Centre for Infectious Disease Surveillance and Control; Public Health England; London UK
6. Gastrointestinal Bacteriology Reference Unit; Public Health England; London UK