ACKNOWLEDGEMENTS
The author would like to thank Dr Caroline Erolin and Professor Jean Ker, University of Dundee, for their supervision, guidance and encouragement throughout this project. Thanks also to Claire Batch, collaborating medical student, for her clinical guidance, Robert Smith, Clinical Skills Engineer for his support and expertise, to Mr David Chorn, University of Aberdeen, for his support and advice, and to all the staff in the Clinical Skills Department, Ninewells Hospital and Duncan of Jordanstone, University of Dundee for all their assistance.