- Correspondence to Dr Marcela P Vizcaychipi, Chelsea and Westminster Hospital, Faculty of Medicine, Department of Surgery and Cancer, Imperial College London, 369 Fulham Road, London SW10 9NH, UK;
- Received May 7, 2014
- Revised June 17, 2014
- Accepted July 26, 2014
- First published August 19, 2014.
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