[1] Fatebenefratelli, Inst Recovero & Cura Carattere Sci, I-25125 Brescia, Italy
[2] Goethe Univ Frankfurt, Dept Psychiat Psychosomat Med & Psychotherapy, Frankfurt, Germany
[3] Newcastle Univ, Inst Ageing & Hlth, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[4] INSERM, U1061, Montpellier, France
[5] Univ London Imperial Coll Sci Technol & Med, London, England
[6] Karolinska Inst, Alzheimer Dis Res Ctr, Dept Neurobiol Care Sci & Soc, Stockholm, Sweden