1. Institute of Anatomy; University of Luebeck; Luebeck Germany
2. Institute of Biology; University of Luebeck; Luebeck Germany
3. Varicula Biotec GmbH; Teterow Germany
4. Clinic for Aesthetic-Plastic Surgery; Prien Germany
5. Division of Research; Department of Surgery; University of Cincinnati College of Medicine; Cincinnati OH USA
6. The Lübeck Institute of Experimental Dermatology; University of Luebeck; Luebeck Germany