Variability of measures of microstructural damage Lead Investigator: Valentin Juenger Institution : Charite University Hospital E-Mail : valentin.juenger@charite.de Proposal ID : 1406 Proposal Description: We aim to assess the variability of a new marker of microstructural changes in healthy controls and over time. With this we aim to better understand the implications of differences between patients with microstructural changes and healthy controls.