1. Department of Neurology; Southern Illinois University School of Medicine; Springfield Illinois USA
2. Department of Neurology; Imperial College London, Charing Cross Hospital; London United Kingdom
3. National School of Public Health and Red de Investigación en Servicios Sanitarios y Enfermedades Crónicas (REDISSEC); Carlos III Institute of Health; Madrid Spain
4. Department of Neurology; Medical University of Vienna; Vienna Austria
5. Department of Neurology; Virginia Commonwealth University; Richmond Virginia USA
6. Department of Neurological Sciences; Rush University Medical Center; Chicago Illinois USA
7. Department of Psychiatry; Maastricht University Medical Center; Maastricht the Netherlands
8. Alzheimer Center Reina Sofia Foundation and Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegeneratives (CIBERNED); Carlos III Institute of Health; Madrid Spain
9. Department of Neurology, Hôpital Purpan; University Hospital of Toulouse; Toulouse France
10. Department of Neurology; Radboud University Nijmegen Medical Center; Nijmegen The Netherlands
11. CHDI Foundation; Princeton New Jersey USA
12. Instituto de Medicina Molecular; University of Lisbon; Portugal
13. Department of Psychiatry; Perelman School of Medicine at the University of Pennsylvania; Philadelphia Pennsylvania USA
14. University College London Institute of Neurology; London United Kingdom