[1] Med Sch Theodor Fontane, Fac Hlth Sci Brandenburg, Bad Saarow Pieskow, Germany
[2] HELIOS Hosp, Dept Neurosurg, Bad Saarow Pieskow, Germany
[3] Osped S Maria Misericordia, Dept Neurosurg, Rovigo, Italy
[4] Tel Aviv Univ, Tel Aviv Sourasky Med Ctr, Dept Neurosurg, Div Peripheral Nerve Reconstruct, Tela Aviv Yafo, Israel
[5] Fed Neurosurg Ctr, Dept Funct Neurosurg, Novosibirsk, Russia
[6] Mediclin Parkview Hosp, Dept Neurosurg, Dubai, U Arab Emirates
[7] Christl Krankenhaus Quakenbruck GmbH, PeripheralNerveUnit Nord, Quakenbruck, Germany
[8] Univ Hosp Ctr Mother Theresa, Dept Neurosurg, Tirana, Albania
[9] Osped Civile Infermi Faenzi, Dept Peripheral Nerve Surg, Local Hlth Author Romagna, Faenza, Italy
[10] Charite Univ Med Berlin, Dept Neurosurg, Berlin, Germany
[11] Univ Cambridge, Addenbrookes Hosp, Dept Neurosurg, Cambridge, England
[12] BKH Gunzburg Ulm Univ, Dept Neurosurg, Peripheral Nerve Unit, Gunzburg, Germany
[13] Oxford Univ Hosp NHS Fdn Trust, John Radcliffe Hosp, Dept Spinal Surg, Oxford, England
[14] CHU Liege, Dept Neurosurg, Liege, Belgium
[15] Klinikum Klagenfurt, Dept Neurosurg & Neurorestaurat, Klagenfurt, Austria
[16] Univ Belgrade, Univ Clin Ctr Serbia, Fac Med, Clin Neurosurg, Belgrade, Serbia