1. Centre for Musculoskeletal Research, Institute of Inflammation and Repair, The University of Manchester; Cochrane Bone Joint and Muscle Trauma Group; Stopford Building, Oxford Road Manchester Oxford Road Manchester UK M13 9PL
2. University of Central Lancashire; School of Medicine; Preston Lancashire UK
3. Queen Elizabeth Hospital; University Hospitals Birmingham NHS Foundation Trust Birmingham UK
4. Ulster Hospital; Department of Gastroenterology and Hepatology; Belfast Ireland
5. Barts Health NHS Trust; London UK
6. Crohn’s and Colitis UK; Hatfield UK
7. Sidra Medicine; PO Box 26999 Doha Qatar