1. Faculty of Health Sciences Brandenburg, Medical School Theodor Fontane, Bad Saarow, Germany
2. Department of Neurosurgery, HELIOS Hospital, Bad Saarow, Germany
3. Department of Neurosurgery, Ospedale Santa Maria della Misericordia, Rovigo, Italy
4. Division of Peripheral Nerve Reconstruction, Department of Neurosurgery, Tel Aviv Sourasky Medical Center, Tel Aviv University, Tela Aviv-Yafo, Israel
5. Department of Functional Neurosurgery, Federal Neurosurgical Center, Novosibirsk, Russia
6. Department of Neurosurgery, Mediclinic Parkview Hospital, Dubai, UAE
7. PeripheralNerveUnit Nord, Christliches Krankenhaus Quakenbrück GmbH, Quakenbrück, Germany
8. Department of Neurosurgery, University Hospital Center “Mother Theresa”, Tirana, Albania
9. Department of Peripheral Nerve Surgery, Local Health Authority of Romagna, Ospedale Civile degli Infermi die Faenzi, Faenza, Italy
10. Department of Neurosurgery, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK
11. Department of Neurosurgery, Charité Universitätsmedizin Berlin, Berlin, Germany
12. Peripheral Nerve Unit, Department of Neurosurgery, BKH Günzburg at Ulm University, Günzburg, Germany
13. Department of Spinal Surgery, Oxford University Hospitals NHS Foundation Trust, John Radcliffe Hospital, Oxford, UK
14. Department of Neurosurgery, CHU Liège, Liège, Belgium
15. Department of Neurosurgery & Neurorestauration, Klinikum Klagenfurt, Klagenfurt am Wörthersee, Austria
16. Faculty of Medicine, Clinic for Neurosurgery, University Clinical Center of Serbia, University of Belgrade, Belgrade, Serbia