Fluids and barriers of the CNS 15(Suppl 2), 35s12987-018-0119-0 (2018). doi:10.1186/s12987-018-0119-0 special issue: "Abstracts from hydrocephalus 2018: the tenth meeting of the International Society for Hydrocephalus and Cerebrospinal Fluid Disorder" Hydrocephalus, Bologna, Italy, 2018-10-19-2018-10-22