Topological relationships between perivascular spaces and progression of white matter hyperintensities: A pilot study in a sample of the Lothian Birth Cohort 1936 oleh Abbie Barnes, Lucia Ballerini, Maria del C. Valdés Hernández, Francesca M. Chappell, Susana Muñoz Maniega, Rozanna Meijboom, Ellen V. Backhouse, Michael S. Stringer, Roberto Duarte Coello, Rosalind Brown, Mark E. Bastin, Simon R. Cox, Ian J. Deary, Joanna M. Wardlaw