1. Interdisciplinary Center for Cleft Palate and Craniofacial Malformations Tübingen University Hospital Tübingen Germany
2. Department of Neonatology Tübingen University Hospital Tübingen Germany
3. Department of Orthodontics Tübingen University Hospital Tübingen Germany
4. Division of Plastic Surgery University of Missouri Columbia Missouri USA
5. Department of Child Health University of Missouri Columbia Missouri USA