AUTHOR CONTRIBUTIONS:
CR, HvV and BC conceived and designed the study. MvdW and CR collected and analysed the data, and drafted the manuscript. JN gave access to crucial data and offered expertise in data collection and analysis of MRIs specifically. JN, AH and MM made critical contributions to the presentation, revision and interpretation of the final results, and approved the final version to be published. All authors concurred with the final version of this manuscript.