1 From the Department of Pediatrics, Juliana Children's Hospital/Haga Teaching Hospital, The Hague, Netherlands (FB; MDA, e-mail: m.d.akkermans@hagaziekenhuis.nl); Danone Nutricia Research, Utrecht, Netherlands (SRBME, JMvdH-G, and RMvE); and the Department of Pediatrics, VU University Medical Center, Amsterdam, Netherlands (JBvG).