1King's College London Institute of Psychiatry, London
2Division of Psychiatry, University of Manchester, Manchester, and
3Clinique Psychiatrique Universitaire, Centre Hospitalier Régional Universitaire, Tours,
4Centro Medicina dell’Invecchiamento, Università Cattolica del Sacro Cuore, Rome, and
5Kingshill Research Centre, Victoria Hospital, Swindon, UK
6Clinical Neurophysiology Service, Department of Internal Medicine, University of Genoa, Genoa, Italy
7Centre Mémoire de Ressources et de Recherche au CHU, Université de Nice Sophia-Antipolis, Nice, and
8Memory and Dementia Centre, Aristotle University of Thessaloniki, Thessaloniki, Greece
9Centre Mémoire de Ressources et de Recherche de Toulouse, Toulouse, France
10University Hospital of Maastricht, Alzheimer Centre Limburg, Limburg, The Netherlands