Correction: Corrigendum: Structural and functional features of central nervous system lymphatic vessels - Antoine Louveau; Igor Smirnov; Timothy Keyes; Jacob D. Eccles; Sherin J. Rouhani; J. David Peske; Noel Derecki; David Castle; James W. Mandell; Kevin M. Lee; Tajie H. Harris; Jonathan Kipnis (2016)