, Salman Sharif2, Maurizio Fornari3, Premenand Ramani4, Fengzeng Jian5, Richard Fessler6, Se-Hoon Kim7, Toshihiro Takami8, Nobuyuki Shimokawa9, Gilbert Dechambenoit10, Mahmood Qureshi11, Nikolay Konovalov12, Marcos Masini13, Enrique Osorio-Fonseca14, José António Soriano Sanchez15, Abdul Hafid Bajamal16, Jutty Parthiban17, Ibet Marie Sih18, Óscar Luis Alves19, Joachim Oertel20, Lukas Rasulic21, Francesco Costa3, Wilco C Peul22, Krishna Sharma23, Mohamed Mohi Eldin24, Nasiru Jinjiri Ismail25, Ignatius Ngene Esene26, Mohammad Hossain27, Svetoslav Kalevski28, Oliver N. Hausmann29, Onur Yaman30, Shahswar Arif31, Zarina Brady311Department of Neurosurgery, Ege University, Izmir, Turkey, Izmir, Turkey
2Liaquat National Hospital & Medical College, Karachi, Pakistan
3Department of Neurosurgery, Humanitas University, Milan, Italy
4Department of Neurosurgery, L.T.M. Medical College, University of Mumbai, Mumbai, India
5Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
6Department of Neurosurgery, Rush University Medical Center, Chicago, United States
7Department of Neurosurgery, Ansan Hospital, Korea University Medical Center, Ansan, Korea
8Department of Neurosurgery, Osaka Medical College, Takatsuki, Japan
9Department of Neurosurgery, Tsukazaki Hospital, Hyogo, Japan
10Neurochirurgie CMCO Côte d’Opale St Martin, Boulogne, France
11President Continental Association of African Neurosurgical Socieites (CAANS), Nairobi, Kenya
12Department of Neurosurgery, Burdenko Institute, Moscow, Russian Federation
13Department of Neurosurgery, São Paulo State University, São Paulo, Brazil
14Department of Neurosurgery, El Bosque University, Bogota, Colombia
15Department of Neurosurgery, ABC Medical Center, Mexico, Mexico
16Department of Neurosurgery, Airlangga University, Surabaya, Indonesia
17Department of Neurosurgery, Kovai Medical Center, Tamilnadu, India
18University of the Philippines, St. Luke’s Medical Center, Bonifacio Global City, Philippines
19Department of Neurosurgery, Hospital Lusíadas, Porto, Portugal
20Department of Neurosurgery, University of Saarland, Homburg, Saar, Germany
21Department of Neurosurgery, University of Belgrade, Clinical Center of Serbia, Belgrade, Serbia, Slovenia
22Department of Neurosurgery, Leiden University Medical Centre, Leiden, Netherlands
23Department of Neurosurgery, Nepal Medical College and Teaching Hospital, Kathmandu University, Kathmandu, Nepal
24Department of Neurosurgery, Cairo University, Cairo, Egypt
25Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria
26Neurosurgery Division, Faculty of Health Sciences, University of Bamenda, Bambili, Cameroon
27Department of Neurosurgery, Bangabandhu Shiek Mujib Medical University, Dhka, Bangladesh
28Multi-profile Hospital “St Anna-Varna”, Medical University of Varna, Varna, Bulgaria
29Department of Neurosurgery, Hirslanden Klinik St. Anna Lucerne, Lucerne, Switzerland
30Memorial Hospital, Istanbul, Turkey
31Medical University of Varna, Varna, Bulgaria
Copyright © 2021 by the Korean Spinal Neurosurgery Society
This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.