Affiliation: | (1) Department of Neurosurgery, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain;(2) Department of Pediatric Neurosurgery, Hospital de San Joan de Déu, Barcelona, Spain;(3) Servicio de Neurocirugía Pediátrica, Hospital de Sant Joan de Déu, Passeig de Sant Joan de Déu, 2, Esplugues, 08950 Barcelona, Spain |