1. Department of Gastroenterology and Hepatology; Leiden University Medical Centre; Leiden The Netherlands
2. National Institute for Health Research (NIHR) Birmingham Biomedical Research Centre; Birmingham UK
3. University Hospitals Birmingham; Birmingham UK
4. Institute of Immunology and Immunotherapy; University of Birmingham; Birmingham UK
5. Institute of Applied Health Research; University of Birmingham; UK
6. Department of Biomedical Data Sciences; Leiden University Medical Centre; Leiden The Netherlands