1. Research Center and Memory Clinic Fundació ACE Institut Català de Neurociències Aplicades‐Universitat Internacional de Catalunya Barcelona Spain
2. Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED) Instituto de Salud Carlos III Madrid Spain
3. Departments of Neurology and Psychiatry University of Pittsburgh School of Medicine Pittsburgh Pennsylvania USA
4. Neurology Service Hospital General Universitario Gregorio Marañón Madrid Spain
5. Memory Disorders Clinic HM Hospitales Madrid Spain
6. Alzheimer's Research Group Grifols Barcelona Spain
7. Medical Services Allied Biomedical Research Institute, Inc. Miami Florida USA
8. Center for Prevention of Alzheimer's Disease Miami Dade Medical Research Institute Miami Florida USA
9. Cognitive Disorders Unit Clinical Neuroscience Research IRB Lleida‐Hospital Universitari Santa Maria Lleida Spain
10. Psychiatry Department Galiz Research Hialeah Florida USA
11. Nephrology Service Hospital General Universitario Gregorio Marañón Madrid Spain
12. Apheresis Care Group and Fresenius Medical Care San Francisco California USA
13. Department of Pathology and Laboratory Medicine Dartmouth Hitchcock Medical Center Lebanon New Hampshire USA
14. Institute of Hematology and Transfusion Medicine Warsaw Poland