The PRognostic Effect of Environmental Factors in Crohn's and Colitis

Aberdeen Royal Infirmary, Aberdeen

Bronglais General Hospital, Aberystwyth

NHS Lanarkshire, Airdrie

Bristol Royal Infirmary, Bristol

West Suffolk NHS Foundation Trust, Bury St Edmunds

Cambridge Addenbrooke's Hospital, Cambridge

Glangwili General Hospital, Carmarthen

University Hospital Coventry & Warwickshire, Coventry

Darlington Memorial Hospital, Darlington

Eastbourne General Hospital, Eastbourne

Royal Devon and Exeter Hospital, Exeter

Queen Elizabeth Hospital, Gateshead

Withybush General Hospital, Haverfordwest

Kettering General Hospital NHS Foundation Trust, Kettering

Queen Elizabeth King's Lynn, Kings Lynn

Kingston Hospital, Kingston upon Thames

NHS Fife, Kirkcaldy

NHS Forth Valley, Larbert

Royal Liverpool and Broadgreen University Hospitals NHS Trust, Liverpool

Guy's and St Thomas' NHS Foundation Trust, London

Royal Free Hospital, London

Royal London Hospital (Barts Health), London

Newcastle Royal Victoria Hospital, Newcastle

Nottingham University Hospitals NHS Trust, Nottingham

Royal Berkshire Hospital, Reading

Salford Royal Hospital, Salford

Sandwell and West Birmingham Hospitals NHS Trust, Sandwell

Buckinghamshire Healthcare NHS Trust, Stoke Mandeville

Musgrove Park Hospital, Taunton

Pinderfield General Hospital, Wakefield

Warrington and Halton NHS FT, Warrington

Royal Hampshire Hospital, Winchester

Ulster Hospital, Belfast

Ninewells Hospital, Dundee

Western General Hospital, Edinburgh

Royal Hospital for Sick Children,Edinburgh, Edinburgh

Glasgow Royal Infirmary, Glasgow

Queen Elizabeth University Hospital, Glasgow

Royal Hospital for Children, Glasgow, Glasgow

Raigmore Hospital, Inverness

St John's Hospital, Livingston