1. Division of Pediatric Neurosurgery, Department of Surgery and Anatomy, University of São Paulo, Ribeirão Preto Medical School, Ribeirão Preto, SP, Brazil
2. Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, United Kingdom
3. Division of Pediatric Neurosurgery, Universidade Estadual de Londrina, Londrina PR, Brazil
4. Division of Pediatric Neurosurgery, Fernandes Figueira Hospital – Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
5. Department of Neurosurgery, João XXIII Hospital, Belo Horizonte, MG, Brazil
6. Department of Neurosurgery, Federal University of São Paulo, São Paulo, SP, Brazil
7. Division of Neurosurgery, Department of Surgery and Anatomy, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil