Onofre Combarros1
, Cornelia M van Duijn2
, Naomi Hammond3
, Olivia Belbin4
, Alejandro Arias-Vásquez2
, Mario Cortina-Borja5
, Michael G Lehmann6
, Yurii S Aulchenko2
, Maaike Schuur2,7
, Heike Kölsch8
, Reinhard Heun8,9
, Gordon K Wilcock10,11
, Kristelle Brown4
, Patrick G Kehoe11
, Rachel Harrison11
, Eliecer Coto12
, Victoria Alvarez12
, Panos Deloukas3
, Ignacio Mateo1
, Rhian Gwilliam3
, Kevin Morgan4
, Donald R Warden6
, A David Smith6
and Donald J Lehmann6 
1
Neurology Service and Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Marqués de Valdecilla University Hospital (University of Cantabria), 39008 Santander, Spain
2
Department of Epidemiology, Erasmus MC University Medical Center, Rotterdam, the Netherlands
3
The Wellcome Trust Sanger Institute, Hinxton, Cambridge CB10 1SA, UK
4
School of Molecular Medical Sciences, Institute of Genetics, University of Nottingham, Queens Medical Centre, Nottingham NG7 2UH, UK
5
Centre for Paediatric Epidemiology and Biostatistics, Institute of Child Health, University College London, 30 Guilford Street, London WC1N 1EH, UK
6
Oxford Project to Investigate Memory and Ageing (OPTIMA), University Department of Physiology, Anatomy and Genetics, South Parks Road, Oxford OX1 3QX, UK
7
Department of Neurology, Erasmus MC University Medical Center, Rotterdam, the Netherlands
8
Department of Psychiatry, University of Bonn, Bonn, Germany
9
Department of Psychiatry, Derby City General Hospital, Uttoxeter Road, Derby DE22 3NE, UK
10
Nuffield Department of Medicine, University of Oxford, Level 4, John Radcliffe Hospital, Oxford OX3 9DU, UK
11
Dementia Research Group, Institute of Clinical Neurosciences, University of Bristol, Frenchay Hospital, Frenchay, Bristol BS32 8BE, UK
12
Genética Molecular, Hospital Central de Asturias, Oviedo, Spain