University of Padua, Department of Surgery- Oncology and Gastroenterology, Padua, Italy

¹Department of Surgery and Cancer, Imperial College London, London, UK, ²Department of Gastroenterology, St Mark’s Hospital, Harrow, UK, ³Imperial College London, Division of Integrative systems medicine and digestive disease, London, UK, ⁴St Mark’s Hospital, Colorectal Surgery, Harrow, UK

Reina Sofía University Hospital, Department of Gastroenterology, Córdoba, Spain

¹GoodGut SL, IBD Department, Girona, Spain, ²Universitat de Girona, Departament de Biologia, Girona, Spain, ³GoodGut SL, Chief Executive officer, Girona, Spain, ⁴Institut d’Investigació Biomèdica de Girona, Digestiu, Girona, Spain, ⁵Hospital Universitari Doctor Josep Trueta de Girona, Aparell Digestiu, Girona, Spain

¹Hospital Universitari Vall d’Hebron, Gastroenterology, Barcelona, Spain, ²Institut de Recerca Vall d’Hebron, Gastroenterology, Barcelona, Spain, ³Unitat de Suport Nutricional, Nutrition, Barcelona, Spain

¹GoodGut, Laboratory, Girona, Spain, ²GoodGut S.L., Project Manager, Girona, Spain, ³GoodGut S.L., Laboratory, Girona, Spain, ⁴GoodGut S.L., Quality, Girona, Spain, ⁵IdIBGi, Gastroenterology, Girona, Spain, ⁶Hospital Universitari Doctor Josep Trueta, Gastroenterology, Girona, Spain, ⁷GoodGut S.L., Chief Executive Officer, Girona, Spain, ⁸GoodGut S.L., Scientific Director, Girona, Spain

¹Kliniczny Szpital Wojewodzki Nr 2 im. Sw. Krolowej Jadwigi w Rzeszowie, Klinika Gastroenterologii i Centralna Pracownia Endoskopii, Rzeszow, Poland, ²Uniwersytet Rzeszowski, Instytut Nauk o Zdrowiu- Kolegium Nauk Medycznych, Rzeszów, Poland

¹Inje University Busan Paik Hospital, Internal Medicine, Busan, Republic of Korea, ²Inje University Haeundae Paik Hospital, Internal Medicine, Busan, Republic of Korea, ³Eunpyeong St. Mary’s Hospital- College of Medicine- The Catholic University of Korea, Internal Medicine, Seoul, Republic of Korea, ⁴Pusan National University School of Medicine & Pusan National University Hospital, Internal Medicine, Busan, Republic of Korea

¹Universidad El Bosque, Cellular and Molecular Immunology Group/ INMUBO, Bogota D.C, Colombia, ²Universdidad El Bosque, Bacterial Molecular Genetics Laboratory, Bogota D.C, Colombia, ³Grastroadvanced SAS, Gastroenterology, Bogota D.C, Colombia, ⁴Hospital Militar Central/Universidad Militar Nueva Granada, Rheumatology and Immunology Department- School of Medicine- Clinical Immunology Group, Bogota D.C, Colombia

¹University Hospitals of Leicester, Digestive Diseases Centre, Leicester, UK, ²University Hospitals of Leicester, Microbiology, Leicester, UK, ³University Hospitals of Leicester, Histopathology, Leicester, UK

¹University Hospitals of Leicester, Gastroenterology, Leicester, UK, ²University Hospitals of Leicester, Microbiology, Leicester, UK, ³University Hospitals of Leicester, Histopathology, Leicester, UK

¹Università del Piemonte Orientale, Department of Pharmaceutical Sciences UNIUPO, Novara, Italy, ²Università degli studi di Trieste, Departement of Chemical and Pharmaceutical Sciences, Trieste, Italy, ³Università degli Studi di Torino, Department of Medical Science, Torino, Italy

¹University Hospital Zurich, Gastroenterology and Hepatology, Zurich, Switzerland, ²Massachusetts Institute of Technology, Department of Civil and Environmental Engineering, Cambridge, USA, ³Pharmabiome, Zurich, Switzerland

¹CSK Mswia, Department of Gastroenterological Surgery and Transplantation, Warsaw, Poland, ²Mossakowski Medical Research Centre of the Polish Academy of Sciences, Department of Surgical Research and Transplantology, Warsaw, Poland

¹Samsung Medical Center, Seoul, South Korea

¹Health Institute Pere Virgili, Hospital Joan XXIII, Tarragona, Spain, ²Hospital Joan XXIII, Colorectal Surgery Unit, Tarragona, Spain, ³Hospital Joan XXIII, Digestive Unit, Tarragona, Spain, ⁴Hospital Vall Hebrón, Colorectal Surgery Unit, General Surgery Service, Barcelona, Spain

¹King’s College London, School of Immunology and Microbial sciences, London, UK, ²Guy’s and St Thomas’ NHS Foundation Trust, London, UK

¹Immutep, Orsay, France

¹Earlham Institute, Norwich, UK, ²Quadram Institute, Norwich, UK, ³Catholic University of Leuven, Translational Research in Gastrointestinal Disorders, Leuven, Belgium, ⁴University of East Anglia, Norwich Medical School, Norwich, UK

¹Faculty of Medicine, The University of Queensland, Brisbane, Australia, ²Immunopathology Group, Mater Research Institute – The University of Queensland, Translational Research Institute, Brisbane, Australia, ³Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne, Australia