[1] IRCCS San Matteo Polyclin Fdn, Unit Neurosurg, Pavia, Italy
[2] Univ Messina, Div Neurosurg, BIOMORF Dept, Messina, Italy
[3] Iuliu Hatieganu Univ Med & Pharm, Cluj Cty Emergency Hosp, Dept Neurosurg, Cluj Napoca, Romania
[4] Karolinska Inst, Dept Clin Neurosci, Stockholm, Sweden
[5] Karolinska Univ Hosp, Dept Neurosurg, Stockholm, Sweden
[6] Rigshospitalet, Dept Neurosurg, Copenhagen, Denmark
[7] Rabin Med Ctr, Dept Neurosurg, Belinson Campus, Petah Tiqwa, Israel
[8] Cent Hosp Lisboa Norte CHLN, Dept Neurosurg, Lisbon, Portugal
[9] Salfort Royal NHS Fdn Trust, Manchester, England
[10] Med Univ Innsbruck, Dept Neurosurg, Innsbruck, Austria
[11] Burdenko Neurosurg Ctr, Dept Spinal & Peripheral Nerve Surg, Moscow, Russia
[12] Burdenko Neurosurg Ctr, Dept Int Affairs, Moscow, Russia
[13] Mil Med Acad, Clin Neurosurg, Belgrade, Serbia
[14] AOUS Scotte, Dept Neurosurg, Siena, Italy
[15] Sahlgrens Acad, Inst Neurosci & Physiol, Gothenburg, Sweden
[16] Art Clin Hosp, Gothenburg, Sweden
[17] Univ Hosp Munster, Munster, Germany
[18] Acibadem CityClin Tokuda Hosp, Dept Neurosurg, Sofia, Bulgaria
[19] Cantonal Hosp St Gallen, Dept Neurosurg, St Gallen, Switzerland
[20] Cantonal Hosp St Gallen, Spine Ctr Eastern Switzerland, St Gallen, Switzerland
[21] La Paz Univ Hosp, Dept Neurosurg, Madrid, Spain