1. Department of Cranio-Maxillofacial Surgery; University Hospital Basel, Spitalstrasse 21; Basel 4031 Switzerland
2. Hightech Research Centre of Cranio-Maxillofacial Surgery; University of Basel, Schanzenstrasse 46; Basel 4031 Switzerland
3. Medical Image Analysis Centre; University of Basel, Spitalstrasse 21; Basel 4031 Switzerland
4. Advanced Osteotomy Tools AG, Spitalstrasse 21; Basel 4031 Switzerland
5. Periodontology and Implant Dentistry; New York University College of Dentistry; 345E. 24th Street; New York City 10010