1. Department of Head-, Neck- and Facial Plastic Surgery; Medius Klinik; Ostfildern-Ruit Germany
2. Medical Additive Manufacturing Research Group; Department of Biomedical Engineering; University of Basel; Basel Switzerland
3. OMF Radiology; Columbia University Medical Center; New York NY USA
4. Department of Oral and Cranio-Maxillofacial Surgery; University Hospital Basel; Basel Switzerland