¹Department of Pharmacology, Universidad de Valencia, Valencia, Spain, ²Department of Medicine, Universidad de Valencia, Valencia, Spain, ³Department of Gastroenterology, UniversitatsSpital Zurich, Zurich, Switzerland, ⁴Department of Endocrinology and Metabolism, Hospital Dr. Peset, Valencia, Spain

¹Department of Gastroenterology, Fiona Stanley Hospital, Perth, Australia, ²Department of Radiology, Fiona Stanley Hospital, Perth, Australia, ³School of Medicine and Pharmacology, University of Western Australia, Perth, Australia

¹Department of Gastroenterology, Cincinnati Children’s Hospital Medical Center and the University of Cincinnati College of Medicine, Cincinnati, USA, ²Department of Gastroenterology, Emory University, Atlanta, USA, ³Department of Gastroenterology, Sheba Medical Center, Ramat Gan, Israel, ⁴Institute of Technology, Georgia Institute of Technology, Atlanta, USA, ⁵Department of Gastroenterology, Connecticut Children’s Medical Center, Hartford, USA

¹Immunology Department, Weizmann Institute of Science, Rehovot, Israel, ²Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China

¹Hospital Clínico San Carlos, Gastroenterology Department, Madrid, Spain, ²Hospital Ramón y Cajal, Gastroenterology Department- IBD Unit, Madrid, Spain, ³Hospital de Galdakao, Gastroenterology Department- IBD Unit, Madrid, Spain, ⁴Spanish confederation of associations of patients with Crohn′s disease and Ulcerative colitis ACCU, accu, Madrid, Spain, ⁵Merck Sharp & Dohme of Spain, Medical Affairs Department, Madrid, Spain

¹King’s College London, Psychological Medicine, London, UK, ²King’s College London, Health Psychology Section, London, UK, ³King’s College London, Florence Nightingale Faculty of Nursing-Midwifery and Palliative Care, London, UK

¹Mukogawa Women’s University- Graduate School of Nursing, Department of nursing, Nishinomiya, Japan, ²Aoyama Clinic GI endoscopy & IBD, Gastroenterology, Kobe, Japan, ³Mukogawa Women’s University, Department of nursing, Nishinomiya, Japan

King’s College London, Adult Nursing, London, UK

Dorset County Hospital, inflammatory bowel disease, Dorchester, UK

Institute of Technology Tralee, Nursing, Kerry, Ireland

¹Dorset County Hospital, Inflammatory Bowel Disease Nursing, Dorchester, UK, ²Dorset County Hospital, inflammatory bowel disease, Dorchester, UK

Charlotte Höög Susana Soto Vilagran Amanda Lundgren Maria Nordin Anna Nordström, 1GHP Stockholm Gastro Center, Karolinska Institutet Danderyd Hospital, Stockholm, Sweden

¹King’s College London, Florence Nightingale Faculty of Nursing-Midwifery and Palliative Care, London, UK, ²King’s College London, Health Psychology Section, London, UK

¹Hospital San Juan de Dios del Aljarafe, Unidad de investigación, Sevilla, Spain, ²Hospital San Juan de Dios del Aljarafe, Digestive department, Sevilla, Spain, ³Hospital San Juan de Dios del Aljarafe, User support, Sevilla, Spain, ⁴Hospital San Juan de Dios del Aljarafe, Quality unit, Sevilla, Spain

Tallaght University Hospital, Gastroenterology, Dublin 24, Ireland

Mercy University Hospital, Department of Gastroenterology, Cork, Ireland