International Society for Pediatric Neurosurgery (ISPN) European Society for Pediatric Neurosurgery (ESPN) American Society for Pediatric Neurosurgery (ASPN) AANS/CNS Section on Pediatric Neurological Surgery Asian-Australian Society for Pediatric Neurosurgery Societe Francaise de Neurochirugie Pediatrique (SFNCP) British Paediatric Neurosurgical Group Federacion Latinoamericana de Sociedades de Neurocirugia (FLANC)- Capitulo de Neurocirugia Pediatrica Brazilian Society for Pediatric Neurosurgery Indian Society for Pediatric Neurosurgery