- Correspondence to Dr Henry Lik-Yuen Chan, Department of Medicine and Therapeutics, Prince of Wales Hospital, 30–32 Ngan Shing Street, Shatin, Hong Kong, China; Dr Winnie Chiu-Wing Chu, Department of Imaging and Interventional Radiology, Prince of Wales Hospital, 30–32 Ngan Shing Street Shatin, Hong Kong, China;
- Revised May 30, 2011
- Accepted June 10, 2011
- First published August 16, 2011.
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