1. Istituto di Neurologia; Università Cattolica del Sacro Cuore; Milano Italy
2. Neurologia I; Istituto Neurologico Carlo Besta; Milano Italy
3. Department of Neurological Sciences; Rush Medical College; Chicago Illinois USA
4. Department of Neurology; Emory University; Atlanta Georgia USA
5. Department of Human Genetics; Emory University; Atlanta Georgia USA
6. Department of Pediatrics; Emory University; Atlanta Georgia USA
7. Department of Neurology; University of Rochester Medical Center; Rochester New York USA
8. Department of Neurology; Radboud University Nijmegen Medical Center; Nijmegen The Netherlands
9. Department of Neurology; Pitié-Salpêtrière Hospital; Paris France
10. Department of Neurology; University of Wurzburg; Wurzburg Germany
11. Reta Lila Weston Institute of Neurological Studies; University College London (UCL) Institute of Neurology; London United Kingdom
12. Department of Psychiatry; Maastricht University Medical Center; Maastricht the Netherlands
13. Alzheimer Disease Research Unit and Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED); Alzheimer Center Reina Sofia Foundation, Carlos III Institute of Health; Madrid Spain
14. Department of Neurological Sciences; Rush University Medical Center; Chicago Illinois USA
15. Department of Clinical Neurosciences; Royal Free Hospital, University College London; London UK