[1] Uppsala University Hospital,Craniofacial Center, Department of Plastic and Maxillofacial Surgery and Department of Surgical Sciences
[2] Necker Enfants Malades Hospital,Craniofacial Unit, Department of Pediatric Neurosurgery
[3] Necker Enfants Malades Hospital,Department of Pediatric Neurosurgery
[4] Helsinki University Hospital,Cleft Palate and Craniofacial Center, Department of Plastic Surgery