*Section of Digestive Diseases, Yale University School of Medicine, New Haven, CT
†Harvard Medical School, Massachusetts General Hospital for Children, Charlestown, MA
Dr Floch is a consultant to Dannon and Pfizer and a speaker for Sigmatau and Procter & Gamble. Dr Walker is supported by grants from the National Institutes of Health (R01 HD012437, R01 DK070260, P30 DK040561, P01 DK033506).
Reprints: Martin H. Floch, MD, Section of Digestive Diseases, Yale University School of Medicine, 40 Temple Street, Suite 1A, New Haven, CT 06510 (e-mail: firstname.lastname@example.org).