Tang, Alice M.*; Forrester, Janet*; Spiegelman, Donna†; Knox, Tamsin A.‡; Tchetgen, Eric*; Gorbach, Sherwood L.*
*Division of Nutrition and Infection, Department of Family Medicine and Community Health, Tufts University School of Medicine, †Departments of Epidemiology and Biostatistics, Harvard School of Public Health, and ‡Division of Gastroenterology, New England Medical Center and Tufts University School of Medicine, Boston, Massachusetts
Address correspondence and reprint requests to Alice M. Tang, PhD, Department of Family Medicine and Community Health, Tufts University School of Medicine, 136 Harrison Avenue, Posner 4, Boston, MA 02111; e-mail: [email protected]
Manuscript received January 25, 2002; accepted May 28, 2002.
doi: 10.1097/01.QAI.0000026514.98625.8F