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.