- Correspondence to Dr J W L Puntis, Department of Paediatric Gastroenterology, Paediatric Offices, off A Floor corridor, Old Main Site, The General Infirmary at Leeds, Great George Street, Leeds, West Yorkshire LS1 3EX, UK;
- Received February 5, 2015
- Revised June 1, 2015
- Accepted June 19, 2015
- First published July 10, 2015.
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