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Contributor Information
Hamish D Duncan, Gastroenterology Research Fellow, Central Middlesex Hospital NHS Trust.
David B Silk, Consultant in Gastroenterology and Nutrition, Central Middlesex Hospital NHS Trust.
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Hamish D Duncan, Gastroenterology Research Fellow, Central Middlesex Hospital NHS Trust.
David B Silk, Consultant in Gastroenterology and Nutrition, Central Middlesex Hospital NHS Trust.