- Correspondence to Dr Suet Yi Leung, Department of Pathology, The University of Hong Kong, Queen Mary Hospital, Pokfulam, Hong Kong; and Dr Siu Tsan Yuen, Department of Pathology, St Paul's Hospital, Causeway Bay, Hong Kong;
- Received 13 March 2016
- Revised 10 May 2016
- Accepted 24 May 2016
- Published online 9 August 2017.
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