¹McMaster Paediatric FMT Research Program, 1Division of Gastroenterology and Nutrition, Department of Paediatrics- McMaster University, Hamilton, Canada, ²Farncombe Family Digestive Health Research Institute, Department of Medicine- McMaster University, Hamilton, Canada, ³College of Medicine and Health, University College Cork, Cork, Ireland, ⁴Department of Exercise Science and Sports Medicine, University of Cape Town, Cape Town, South Africa, ⁵Division de Gastroentérologie- Hépatologie et Nutrition, Département de Pédiatrie- Université de Montréal, Montreal, Canada, ⁶Department of Health Research Methods- Evidence and Impact, McMaster University, Hamilton, Canada, ⁷Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Canada, ⁸Division of Gastroenterology and Hepatology, Department of Medicine- McMaster University, Hamilton, Canada, ⁹Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Canada

Department of Pediatric Gastroenterology, The Sainte-Justine University Hospital Centre, Montréal, Canada

Kenseikai Dongo Hospital, Nara Coloproctology Center, Yamatotakada City, Japan

¹Gastroenterology and Hepatology Department, IBD Unit, Hospital Universitario Puerta de Hierro - Majadahonda, Majadahonda Madrid, Spain, ²Pharmacy Department, Hospital Universitario Puerta de Hierro Majadahonda, Majadahonda, Madrid, Spain

Gastroenterology, Hospital de León, León, Spain

Gastroenterology, Hospital Universitario La Paz, Madrid, Spain

¹Gastroenterology and Hepatology, Singapore General Hospital, Singapore, Singapore, ²Singapore General Hospital, Pharmacy, Singapore, Singapore

Department of Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiaotong University School, Shanghai, China

¹Regional Hospital Randers, Surgery, Randers, Denmark, ²Regional Hospital Randers-Denmark, Pathology, Randers, Denmark, ³Regional Hospital Randers, Pathology, Randers, Denmark, ⁴IBD Care- Surgical Research Unit, Odense University Hospital- Southern University of Denmark, Odense, Denmark, ⁵Aalborg University Hospital, Surgery, Aalborg, Denmark

¹Surgery Department- Gastroenterology Division, Hospital Beatriz Ângelo, Loures, Portugal, ²Radiology Department, Hospital Beatriz Ângelo, Loures, Portugal

¹IBD Leuven, 1Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium, ²KU Leuven, CHROMETA - Translational Research in Gastrointestinal Disorders, Leuven, Belgium

¹Gastroenterology Unit, Hospital Universitario de La Princesa-IIS-IP and CIBEREHD, Madrid, Spain, ²Gastroenterology Unit, Hospital Universitario de La Princesa- IIS-IP and CIBEREHD, Madrid, Spain, ³Gastroenterology Unit, Complejo Hospitalario de Navarra- Instituto de Investigación Sanitaria de Navarra IdiSNA, Pamplona, Spain, ⁴Gastroenterlogy Unit, Hospital Universitario Reina Sofía- Instituto Maimónides de Investigación Biomédica de Córdoba IMIBIC, Córdoba, Spain, ⁵Gastroenterology Unit, Hospital Universitario de Valme and CIBEREHD, Sevilla, Spain, ⁶Gastroenterology Unit, Hospital Clínic i Provincial and CIBEREHD, Barcelona, Spain, ⁷Gastroenterology Unit, Consorcio Hospital General Universitario de Valencia, Valencia, Spain, ⁸Gastroenterology Unit, Hospital Universitario Mutua Terrassa- and CIBEREHD, Terrassa, Spain, ⁹Gastroenterology Unit, Hospital Universitario Ramón y Cajal, Madrid, Spain, ¹⁰Gastroenterology Unit, Hospital Clínico, Valencia, Spain, ¹¹Gastroenterology Unit, Hospital Universitario Virgen de las Nieves, Granada, Spain, ¹²Gastroenterology Unit, Hospital de la Santa Creu I Sant Pau, Barcelona, Spain, ¹³Gastroenterology Unit, Hospital Universitario Germans Trias i Pujol and CIBEREHD, Badalona, Spain, ¹⁴Gastroenterology Unit, Hospital Universitario Virgen del Rocío, Sevilla, Spain, ¹⁵Gastroenterology Unit, Hospital Universitario Miguel Servet, Zaragoza, Spain, ¹⁶Gastroenterology Unit, Hospital Universitario Central de Asturias, Oviedo, Spain, ¹⁷Gastroenterology Unit, Hospital Universitario de Donostia- Instituto Biodonostia- Universidad del País Vasco UPV/EHU- and CIBEREHD, Donostia, Spain, ¹⁸Gastroenterology Unit, Hospital de Manises, Valencia, Spain, ¹⁹Gastroenterology Unit, Hospital Universitario Infanta Sofía, Madrid, Spain, ²⁰Gastroenterology Unit, Hospital Universitario Virgen Macarena, Sevilla, Spain, ²¹Gastroenterology Unit, Hospital Universitario Fundación de Alcorcón, Madrid, Spain, ²²Gastroenterology Unit, Hospital Universitario Nuestra Señora de la Candelaria, Santa Cruz de Tenerife, Spain, ²³Gastroenterology Unit, Hospital Universitario de Bellvitge, Barcelona, Spain, ²⁴Gastroenterology Unit, Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela, Spain, ²⁵Gastroenterology Unit, Hospital Universitario de Fuenlabrada- Instituto de Investigación Sanitaria del Hospital La Paz IdiPAZ, Madrid, Spain, ²⁶Gastroenterology Unit, Hospital Universitario Río Hortega, Valladolid, Spain, ²⁷Gastroenterology Unit, Hospital Universitario La Fe- and CIBEREHD, Valencia, Spain, ²⁸Gastroenterology Unit, Hospital Clínico Lozano Blesa- Instituto de Investigación Sanitaria Aragón IIS Aragón- and CIBEREHD, Zaragoza, Spain, ²⁹Gastroenterology Unit, Hospital General de Ciudad Real, Ciudad Real, Spain, ³⁰Gastroenterology Unit, Hospital General Universitario de Alicante- and CIBEREHD, Alicantesp, Spain, ³¹Gastroenterology Unit, Hospital General San Jorge, Huesca, Spain, ³²Gastroenterology Unit, Hospital Universitario de Cáceres, Cáceres, Spain, ³³Gastroenterology Unit, Hospital Universitario Infanta Leonor, Madrid, Spain, ³⁴Gastroenterology Unit, Hospital de Torrejón de Ardoz, Madrid, Spain, ³⁵Gastroenterology Unit, Hospital HUA Álava, Vitoria, Spain, ³⁶Gastroenterology Unit, Hospital Universitario de Canarias, La Laguna, Spain, ³⁷Gastroenterology Unit, Hospital General Universitario de Castellón, Castellón, Spain, ³⁸Gastroenterology Unit, Hospital de Sant Joan Despí Moisès Broggi, Sant Joan Despí, Spain, ³⁹Gastroenterology Unit, Hospital Universitario Infanta Cristina, Madrid, Spain

¹Gastroenterology, Medical College of Wisconsin, Milwaukee, USA, ²Gastroenterology, Evangelismos Hospital, Athens, Greece, ³Sheba Medical Center, Gastroenterology, Tel Aviv, Israel, ⁴Evidera, Real-World Evidence, Montreal, Canada, ⁵Evidera, Data Analytics, Waltham, USA, ⁶Takeda Pharmaceuticals USA Inc., Medical Affairs, Deerfield, USA, ⁷Takeda Canada Inc., Medical Affairs, Oakville, Canada, ⁸Takeda Hellas S.A., Medical Affairs, Athens, Greece, ⁹Takeda Pharmaceuticals International AG, Global Medical Affairs, Zurich, Switzerland, ¹⁰Takeda Pharmaceuticals International, Evidence Generation and Publications, Singapore, Singapore, ¹¹Takeda Pharmaceuticals International, Global Outcomes Research, Boston, USA, ¹²St. Paul’s Hospital, Gastroenterology, Vancouver, Canada

¹Gastroenterology and Hepatology, Erasmus Medical Center, Rotterdam, The Netherlands, ²Gastroenterology and Hepatology, Amsterdam University Medical Center, Amsterdam, The Netherlands, ³Department of Public Health, Erasmus Medical Center, Rotterdam, The Netherlands, ⁴Department of Clinical Biostatistics and Medical Decision Makin, Leiden University Medical Center, Leiden, The Netherlands, ⁵Gastroenterology and Hepatology, Albert Schweitzer Hospital, Dordrecht, The Netherlands, ⁶Diakonessenhuis, Gastroenterology and Hepatology, Utrecht, The Netherlands, ⁷Franciscus Gasthuis and Vlietland, Gastroenterology and Hepatology, Rotterdam, The Netherlands, ⁸Gastroenterology and Hepatology, Jeroen Bosch Hospital, Den Bosch, The Netherlands, ⁹Gastroenterology and Hepatology, Canisius Wilhelmina Hospital, Nijmegen, The Netherlands, ¹⁰Gastroenterology and Hepatology, Radboudumc, Nijmegen, The Netherlands, ¹¹Gastroenterology and Hepatology, Gelderse Vallei Hospital, Ede-Wageningen, The Netherlands, ¹²Gastroenterology and Hepatology, Amphia Hospital, Breda, The Netherlands, ¹³Gastroenterology and Hepatology, University Medisch Centrum Groningen, Groningen, The Netherlands, ¹⁴Gastroenterology and Hepatology, Flevo Hospital, Almere, The Netherlands, ¹⁵Amsterdam University Medical Center, VU University Medical Center- AG&M Research Institute, Amsterdam, The Netherlands, ¹⁶Gastroenterology and Hepatology, Haga Hospital, Den Haag, The Netherlands, ¹⁷Gastroenterology and Hepatology, St. Antonius Hospital, Nieuwegein, The Netherlands, ¹⁸Gastroenterology and Hepatology, Medical Center Leeuwarden, Leeuwarden, The Netherlands

¹Department of Paediatric Gastroenterology and Hepatology and Nutrition, University Hospitals Leuven, Leuven, Belgium, ²Laboratory for Therapeutic and Diagnostic Antibodies- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium, ³Department of Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium

Department of Gastroenterology, Rostov State Medical University, Rostov-on-Don, Russian Federation

¹Abdominal Surgery, University Hospitals Leuven, Leuven, Belgium, ²Gastroenterology and Hepatology, University Hospitals Leuven, Leuven, Belgium

Department of General Surgery Shanghai Ninth People’s Hospital Shanghai Jiaotong University School of Medicine, No. 639 of Zhizaoju Road, General Surgery, Shanghai, China

¹*All authors are IBD Global Assessment of Patient Unmet Needs Survey (GAPPS) Steering Committee members (listed αbetically), 1The Ohio State University Wexner Medical Center, Inflammatory Bowel Disease, Columbus, USA, ²Fondazione Policlinico A. Gemelli IRCCS - Universita’ Cattolica, Gastroenterology, Rome, Italy, ³Inserm et Université Paris, Gastroenterology, Paris, France, ⁴Gastroenterology, Univeristy of British Columbia, Vancouver BC, Canada, ⁵Gastroenterology, St. Mark’s Hospital, London, UK, ⁶Gastroenterology- Hepatology and Nutrition, University of Chicago, Chicago, USA, ⁷Centro Médico Teknon, Gastroenterology, Barcelona, Spain, ⁸Gastroenterology- Infectiology and Rheumatology, Charité – Universitätsmedizin Berlin, Berlin, Germany, ⁹Gastroenterology, Digestive Disease Associates, Gainesville, USA

¹Århus University Hospital, Nuclear Medicine and PET, Aalborg, Denmark, ²Aalborg University Hospital, Surgery, Skovlunde, Denmark, ³Carol Davila University of Medicine and Pharmacy Bucharest, Surgery, Bucharest, Romania