- Correspondence to Dr Siew C Ng, Department of Medicine and Therapeutics, State Key Laboratory of Digestive Disease, Institute of Digestive Disease, Li Ka Shing Institute of Health Science, Chinese University of Hong Kong, Hong Kong, China;
- Received April 9, 2014
- Revised August 16, 2014
- Accepted August 25, 2014
- First published September 12, 2014.
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