- Correspondence to Professor Siew C Ng, Department of Medicine and Therapeutics, Institute of Digestive Disease, State Key Laboratory of Digestive Disease, LKS Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, Hong Kong;
- Received March 22, 2020
- Revised March 25, 2020
- Accepted March 25, 2020
- First published April 2, 2020.
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