1. Department of Oral and Maxillofacial Surgery; University Medical Center Hamburg-Eppendorf; Hamburg Germany
2. Department of Experimental Orofacial Medicine; Philipps University Marburg; Marburg Germany
3. Department of Oral- and Cranio-Maxillofacial Surgery; Klinikum rechts der Isar der Technischen Universität München; Munich Germany
4. Spintec Engineering GmbH, Kurbrunnenstraße 22; 52066 Aachen Germany
5. BLS Laboratories GmbH; Berlin Germany
6. Institute of Textile Machinery and High Performance Material Technology, Technische Universität Dresden; 01069 Dresden Germany