1. Clinical Laboratory for Bionic Extremity Reconstruction, Department of Plastic, Reconstructive and Aesthetic Surgery, Medical University of Vienna, Vienna, Austria.
2. Center for Anatomy and Cell Biology, Medical University of Vienna, Vienna, Austria.
3. Clinic of Hand, Reconstructive, and Plastic Surgery, Kantonsspital Aarau, Aarau, Switzerland.
4. Department of Plastic Surgery and Hand Surgery, University Hospital Zurich, Zurich, Switzerland.
5. Department of Plastic, Reconstructive and Aesthetic Surgery, Medical University of Vienna, Vienna, Austria.
6. Karl Landsteiner University of Health Sciences, Department of Plastic, Aesthetic and Reconstructive Surgery, University Hospital St. Poelten, Krems, Austria.