Postprint version. Published in Obesity Research, Volume 10, Issue 1, November 1, 2002, pages 50S-57S. Publisher website: http://www.nature.com. The definitive version is available online at: http://dx.doi.org/10.1038/oby.2002.190
NOTE: At the time of publication, the author Suzanne Phelan was not yet affiliated with Cal Poly.