| | Editor's comment published online 15 October 2008. No abstract is available. To read the body of this article, please view the Full Text online. |
Mailman School of Public Health, Columbia University, New York, USA PII: S0020-7292(08)00376-7 doi:10.1016/j.ijgo.2008.08.010 © 2008 Elsevier Ireland Ltd. All rights reserved. | |
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