- Correspondence to Dr Sarah Ross, Division of Medical and Dental Education, School of Medicine and Dentistry, University of Aberdeen, Room 2:036 Polwarth Building, Foresterhill, Aberdeen AB25 2ZD, UK;
- Received May 15, 2012
- Revised September 18, 2012
- Accepted September 22, 2012
- First published October 30, 2012.
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