1. Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery Medical University of Graz Graz Austria
2. COREMED – Cooperative Centre for Regenerative Medicine, JOANNEUM RESEARCH Forschungsgesellschaft mbH Graz Austria
3. Clinic for Vascular and Endovascular Surgery AMEOS Klinikum St. Clemens Oberhausen Germany
4. International University of Monaco Monaco
5. Clinic for Vascular Surgery, Vascular and Endovascular Surgery Marienhospital Stuttgart, Vinzenz von Paul Kliniken Stuttgart Germany
6. Clinic for Orthopedics, Trauma Surgery and Sports Traumatology ‐ Burn Center Marienhospital Stuttgart Stuttgart Germany
7. HLMedConsult Leonding Austria
8. Institute of Medical Biometry, University Heidelberg Heidelberg Germany