Authors' Response to Letter.Published in:Journal of Pediatric Gastroenterology & Nutrition, 2007, v. 45, n. 1, p. 131, doi. 10.1097/MPG.0b013e318058ca95By:de Ridder MD PhD, Lissy;Benninga MD PhD, Marc A;Taminiau MD PhD, Jan AJM;Hommes MD PhD, Daan WPublication type:Article