1. Biomedical Research Institute Sant Pau (IIB Sant Pau), Barcelona, Spain
2. Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Spain
3. Human Genetics School of Life Sciences, University of Nottingham, UK
4. Institute of Medical Genetics, University Hospital Wales, Cardiff, UK
5. Oxford Project to Investigate Memory and Ageing (OPTIMA), University Department of Pharmacology, Oxford, UK
6. Clinical Epidemiology, Nutrition and Biostatistics, UCL Great Ormond Street Institute of Child Health, London, UK
7. Department of Epidemiology, Erasmus MC University Medical Center, Rotterdam, the Netherlands
8. Centro de Biología Molecular Severo Ochoa (UAM-CSIC), Madrid, Spain
9. Neurology Service, Marqués de Valdecilla University Hospital (University of Cantabria and IDIVAL), Santander, Spain
10. Laboratorio de Genética, AGC Laboratorio de Medicina, Hospital Universitario Central de Asturias, Oviedo, Spain
11. Department of Psychiatry, University of Bonn, Bonn, Germany
12. Dementia Research Group, Bristol Medical School Translational Health Sciences, University of Bristol, Southmead Hospital, Bristol, UK