1. Cancer Research UK Beatson Institute Glasgow UK
2. A∗STAR Institute of Medical Biology Singapore City Singapore
3. Gastrointestinal Stem Cell Biology Laboratory Wellcome Trust Centre for Human Genetics University of Oxford Oxford UK
4. Translational Gastroenterology Unit Experimental Medicine Division Nuffield Department of Clinical Medicine John Radcliffe Hospital Oxford Headington UK
5. Department of Pathology University Health Network/Toronto Medical Laboratories Toronto Canada
6. European Cancer Stem Cell Research Institute Cardiff University Cardiff UK
7. Institute of Physiology Justus‐Liebig University Giessen Giessen Germany
8. Department of Histopathology Trinity College Dublin St James's Hospital Dublin Ireland
9. Department of Immunology Genetics and Pathology Science for Life Laboratory BMC Uppsala University Uppsala Sweden
10. Norwich Medical School University of East Anglia Norwich UK
11. Institut Curie CNRS UMR3347 INSERM, U1021 Equipe labellisée – Ligue Nationale contre le Cancer Orsay France