1. Department of Neurology; Philipps-University Marburg; Marburg Germany
2. Department of Economics; Stockholm School of Economics; Stockholm Sweden
3. Alzheimer Disease Research Unit and Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), Research Center for Neurological Diseases (CIEN) Foundation, Carlos III Institute of Health, Alzheimer Center Reina Sofia Foundation; Madrid Spain
4. Department of Neurology; University of Rochester Medical Center; Rochester New York USA
5. Clinical Pharmacology and Therapeutics, Faculdade de Medicina de Lisboa; Lisbon Portugal
6. Department of Neurology; First Medical Faculty, Charles University in Prague; Prague Czech Republic
7. Department of Psychiatry; The University of Melbourne; Melbourne Australia
8. Department of Neurology; Medical University of Innsbruck; Innsbruck Austria
9. Department of Neurological Sciences, Rush University Medical Center; Chicago Illinois USA
10. Laboratoire de Pharmacologie Medicale et Clinique; Toulouse France
11. Institute of Neurology, University College London; London United Kingdom