*Section of Digestive Diseases, Yale University School of Medicine, New Haven, CT
†Harvard Medical School, Pediatric Gastroenterology & Nutrition Unit, Massachusetts General Hospital-East, Charlestown, MA, USA
Martin H. Floch is a consultant for Procter & Gamble and The Dannon Company.
The authors declare no conflict of interest.
The authors confirm that there are no financial agreements.
Reprints: Martin H. Floch, MD, Yale University School of Medicine, 333 Cedar Street, 1080 LMP, PO Box 208019, New Haven, CT 06520 (e-mail: email@example.com).