About the Authors

Lu Ban

mcxlb4@nottingham.ac.uk (LB); jack.gibson@nottingham.ac.uk (JEG)

Affiliation Division of Epidemiology and Public Health, Nottingham City Hospital, University of Nottingham, Nottingham, United Kingdom

Laila J. Tata

Contributed equally to this work with: Laila J. Tata, Jack E. Gibson

Affiliation Division of Epidemiology and Public Health, Nottingham City Hospital, University of Nottingham, Nottingham, United Kingdom

Joe West

Affiliations Division of Epidemiology and Public Health, Nottingham City Hospital, University of Nottingham, Nottingham, United Kingdom, Nottingham Digestive Diseases Centre National Institute for Health Research Biomedical Research Unit, Queen's Medical Centre, Nottingham University Hospitals National Health Service Trust, Nottingham, United Kingdom

Linda Fiaschi

Affiliation Division of Epidemiology and Public Health, Nottingham City Hospital, University of Nottingham, Nottingham, United Kingdom

Jack E. Gibson

Contributed equally to this work with: Laila J. Tata, Jack E. Gibson

mcxlb4@nottingham.ac.uk (LB); jack.gibson@nottingham.ac.uk (JEG)

Affiliation Division of Epidemiology and Public Health, Nottingham City Hospital, University of Nottingham, Nottingham, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LJT JEG JW LB. Analyzed the data: LB LJT JEG JW. Wrote the paper: JEG LJT LB JW LF. Performed the data management: LF LJT LB JEG. Revised the manuscript for publication: JEG LJT LB JW LF.