Affiliation: | (1) Department of Paediatrics, University Hospital Nijmegen, PO Box 9101, 6500 HB Nijmegen, The Netherlands;(2) Division of Endocrinology, University Hospital Nijmegen, PO Box 9101, 6500 HB Nijmegen, The Netherlands;(3) Division of Gastroenterology, University Hospital Nijmegen, PO Box 9101, 6500 HB Nijmegen, The Netherlands;(4) National Institutes of Child Health and Human Development, Human Genetics Branch, 20892 Bethesda, MD, USA |