Giovanni B Frisoni1, Oskar Hansson2. 1. Centre de la mémoire, Geneva University and University Hospitals, Geneva 1205, Switzerland. Electronic address: giovanni.frisoni@hcuge.ch. 2. Clinical Memory Research Unit, Department of Clinical Sciences Malmö, Lund University, Lund, Sweden; Memory Clinic, Skåne University Hospital, Skåne, Sweden.