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Correspondence: Karen Siegel; Email: siegel@matrixphc.com
Authors' Contributions: KS drafted original the manuscript.
KMVN provided expert revisions, helpful comments and suggestions, and reviewed the manuscript for intellectual content.
Both authors read and approved the final manuscript.
Acknowledgments: The authors would like to thank Novo Nordisk for covering the BioMed Central article processing fee
Disclosures: KS is a member of the Novo Nordisk International Youth Panel.
Novo Nordisk in no way influenced the development or content of this article
© 2008 Siegel and Narayan; licensee BioMed Central Ltd.