- Correspondence to Ime Eka, Imperial College School of Medicine, Imperial College London c/o Dr Michael Osborn, Department of Cellular Pathology, 4th Floor Clarence Memorial Wing, St Mary's Hospital, London W2 1NY;
- Received July 18, 2013
- Revised August 12, 2013
- Accepted August 14, 2013
- First published September 23, 2013.
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