- Correspondence to Dr James P Boardman, MRC Centre for Reproductive Health, The University of Edinburgh, Queen's Medical Research Institute, Room C1.20, 47 Little France Crescent, Edinburgh EH16 4TJ, UK;
- Received June 26, 2012
- Revised August 18, 2012
- Accepted August 20, 2012
- First published October 19, 2012.
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