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- Correspondence to Dr Henry LY Chan, Department of Medicine and Therapeutics, The Chinese University of Hong Kong, 9/F Prince of Wales Hospital, 30–32 Ngan Shing Street, Shatin, Hong Kong, China; hlychan{at}cuhk.edu.hk
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- First published March 23, 2010.
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March 23, 2010
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© 2010, Published by the BMJ Publishing Group Limited For permission to use, (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.