1. Department of Neurosciences, Experimental Otorhinolaryngology, KU Leuven, Herestraat 49, P.O. Box 721, 3000 Leuven, Belgium
2. Multidisciplinary Cleft Lip and Palate Team, UZ Leuven, Kapucijnenvoer 33, 3000 Leuven, Belgium
3. Department of Otorhinolaryngology, Head and Neck Surgery, Kapucijnenvoer 33, 3000 Leuven, Belgium
4. Department of Anthropology, Penn State University, 409 Carpenter Building, University Park, PA 16802, USA
5. Medical Image Computing, ESAT/PSI, Department of Electrical Engineering, KU Leuven, Medical Imaging Research Center, Herestraat 49, P.O. Box 7003, 3000 Leuven, Belgium