From the Institute of Neurology (B.C., D.A.K., J.H., P.A.L., R.F.), School of Pharmacy (C.M.), and UCL Movement Disorders Centre (J.H.), University College London; School of Pharmacy (C.M., P.A.L.), University of Reading, Whiteknights; Neurogenetics Laboratory (M.B.-Q., C.W., J.M.P.), National Hospital for Neurology and Neurosurgery, London, UK; Aptima Clinic (Miquel Aguilar), Terrassa; Memory Disorders Unit, Department of Neurology (I.A., M.D.-F., P.P.), University Hospital Mutua de Terrassa, Barcelona; Hospital Universitario Central de Asturias (V.A., M.M.-G.), Oviedo, Spain; NORMENT (O.A.), Institute of Clinical Medicine, University of Oslo, Norway; Regional Neurogenetic Centre (Maria Anfossi, Livia Bernardi, A.C.B., M.E.C., Chiara Cupidi, F.F., Maura Gallo, R.M., N.S.), ASPCZ, Lamezia Terme; Department of Neuroscience, Psychology, Drug Research and Child Health (S.B., B.N., I.P., S.S.), University of Florence; Molecular Markers Laboratory (Luisa Benussi, Giuliano Binetti, R.G.), IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy; Sheffield Institute for Translational Neuroscience (SITraN), Department of Neuroscience (D.B.), University of Sheffield, UK; Research Center and Memory Clinic (M.B., I.H., S.M.-G., Agustín Ruiz), Fundació ACE, Institut Català de Neurociències Aplicades, Universitat Internacional de Catalunya (UIC), Barcelona, Spain; Centre for Neurodegenerative Disorders (B.B., A.P.), Department of Clinical and Experimental Sciences, University of Brescia, Italy; Department of Clinical Neurosciences (Lucy Bowns, T.E.C., J.B.R.), Cambridge University, UK; Department of Neurology (Geir Bråthen, S.B.S.), University Hospital of Trondheim, Norway; Dept NVS, Division of Neurogeriatrics (H.-H.C., C.G., B.K., L.Ö.), Karolinska Institutet, Bioclinicum Solna, Sweden; Department of Neurology (J.C., O.D.-I., I.I.-G., A.L.), IIB Sant Pau, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain; Anne Rowling Regenerative Neurology Clinic (S.C., G.J.T.H., S.P.) and Centre for Clinical Brain Sciences (S.P.), University of Edinburgh, UK; NeuroGenomics and Informatics, Department of Psychiatry (Carlos Cruchaga), Washington University, St. Louis, MO; Cognitive Impairment Center (M.E.D.B., Maurizio Gallucci) and Immunohematology and Transfusional Medicine Service (E.D., A.V.), Local Health Authority n.2 Marca Trevigiana, Treviso, Italy; Department of Psychiatry and Psychotherapy (J.D.-S., C.R.), School of Medicine, Technical University of Munich, Germany; Department of Neurology (D.F., M.G.K.) and Clinical Institute of Medical Genetics (A.M., B.P.), University Medical Center Ljubljana, Slovenia; Dino Ferrari Center (D.G., Elio Scarpini, M.S.), University of Milan, Italy; Cognitive Neuroscience Lab, Think and Speak Lab (J.H.G.), Shirley Ryan Ability Lab, Chicago, IL; Department of Pathology and Laboratory Medicine (Murray Grossman, EunRan Suh, J.Q.T., V.M.V.D.), Center for Neurodegenerative Diseases, Perelman School of Medicine at the University of Pennsylvania, Philadelphia; UCL Dementia Research Institute (J.H.), London; Reta Lila Weston Institute (J.H.), UCL Queen Square Institute of Neurology, UK; Institute for Advanced Study (J.H.), The Hong Kong University of Science and Technology, China; Royal Edinburgh Hospital (G.J.T.H.), UK; Taub Institute for Research on Alzheimer's Disease and the Aging Brain (E.D.H.), Columbia University, New York, NY; Department of Neurology, Memory and Aging Center (A.K., B.M., J.Y.), University of California, San Francisco; UCL Genomics (M.K., G.K.M., Y.P.), UCL Great Ormond Street Institute of Child Health, London, UK; Geriatric Center Frullone ASL Napoli 1 Centro (G.M.), Napoli, Italy; Department of Neurology (M.O.M., J.v.R., J.C.V.S.), Erasmus Medical Center, Rotterdam, the Netherlands; Rona Holdings (P.M.), Silicon Valley, CA; Newcastle Brain Tissue Resource, Institute of Neuroscience (C.M.M.), Newcastle University, Campus for Ageing and Vitality, Newcastle upon Tyne, UK; Department of Neurology (C.N.), Skåne University Hospital, Malmö, Sweden; Fondazione Policlinico Universitario A. Gemelli IRCCS (V.N.), Rome, Italy; Division of Neuroscience & Experimental Psychology (S.P.-B., A.M.T.R., S.R., J.C.T.), University of Manchester, UK; Amsterdam University Medical Center (Y.A.L.P.), VU University Medical Center, the Netherlands; Cardiovascular Research Unit (A.A.P.), IRCCS Multimedica, Milan; Neurology I, Department of Neuroscience (I.R., Elisa Rubino), University of Torino; NeurOMICS laboratory (G.M., Antonella Rendina, E.V.), Institute of Biochemistry and Cell Biology (IBBC), CNR Napoli, Italy; Manchester Centre for Clinical Neurosciences (A.M.T.R., J.S., J.C.T.), Salford Royal NHS Trust, Manchester, UK; Tanz Centre for Research in Neurodegenerative Diseases (Ekaterina Rogaeva), University of Toronto, Canada; Department of Biotechnology (B.R.), Jožef Stefan Institute, Ljubljana, Slovenia; Division of Neurology V and Neuropathology (G.R., F.T.), Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy; Alzheimer's Disease and Other Cognitive Disorders Unit (R.S.-V.), Hospital Clínic of Barcelona, Spain; Clinical Memory Research Unit, Department of Clinical Sciences Malmö (C.N., A.F.S.), and Division of Clinical Sciences Helsingborg, Department of Clinical Sciences Lund (M.L.W.), Lund University, Sweden; Neurodegenerative Brain Diseases Group (J.V.d.Z., C.V.B.), Center for Molecular Neurology, VIB, Antwerp, Belgium; Medical Research Council Centre for Neuropsychiatric Genetics and Genomics (V.E.-P.), Division of Psychological Medicine and Clinical Neurosciences and Dementia Research Institute, Cardiff University, UK; Instituto de Investigación Sanitaria del Principado de Asturias (V.A.), Oviedo, Asturias; Fundació per la Recerca Biomèdica i Social Mútua Terrassa (I.A., M.D.-F., P.P.), Barcelona; Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas (CIBERNED) (M.B., J.C., O.D.-I., I.H., I.I.-G., A.L., S.M.-G., Agustín Ruiz), Instituto de Salud Carlos III, Madrid, Spain; MRC Cognition and Brain Sciences Unit (Lucy Bowns, T.E.C., J.B.R.), Cambridge University, UK; Department of Neuromedicine and Movement Science (Geir Bråthen, S.B.S.), Norwegian University of Science and Technology, Trondheim, Norway; Unit for Hereditary Dementias (H.-H.C., C.G., B.K., L.Ö.), Theme Aging, Karolinska University Hospital, Solna, Sweden; Medical Faculty (D.F., M.G.K.), University of Ljubljana, Slovenia; Fondazione IRCCS Ca'Granda (D.G., Elio Scarpini, M.S.), Ospedale Policlinico, Milan, Italy; Penn Center for Frontotemporal Degeneration (Murray Grossman), Philadelphia, PA; Universidad de Oviedo (M.M.-G.), Asturias, Spain; IRCCS Fondazione Don Carlo Gnocchi (B.N., S.S.), Florence; Istituto di Medicina Genomica (V.N.), Università Cattolica del sacro Cuore, Rome, Italy; Amsterdam Neuroscience (Y.A.L.P.), the Netherlands; Department of Medicine and Surgery (A.A.P.), University of Salerno, Baronissi (SA), Italy; Faculty of Chemistry and Chemical Technology (B.R.), University of Ljubljana, Slovenia; Institud d'Investigacions Biomèdiques August Pi i Sunyer (R.S.-V.), Barcelona, Spain; Department of Biomedical Sciences (J.V.d.Z., C.V.B.), University of Antwerp, Belgium; and Department of Comparative Biomedical Sciences (P.A.L.), The Royal Veterinary College, London, UK.