Liesbeth Aerts1, Elsa Lauwers1, Bart De Strooper2. 1. VIB-KU Leuven Center for Brain and Disease Research, and Department of Neurosciences, Leuven Brain Institute, KU Leuven, Belgium. 2. VIB-KU Leuven Center for Brain and Disease Research, and Department of Neurosciences, Leuven Brain Institute, KU Leuven, Belgium; UK Dementia Research Institute, University College London WC1E 6BT, London, UK. Electronic address: b.strooper@ukdri.ucl.ac.uk.