1 Department of Human Genetics, Leiden University Medical Centre, Leiden, The Netherlands
2 Institute for Stroke and Dementia Research, Klinikum der Universität München, Munich, Germany
3 Department of Neurology, Klinikum der Universität München, Munich, Germany
4 Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Cambridge, UK
5 Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland
6 Department of Neurology, Helsinki University Central Hospital, Helsinki, Finland
7 Department of Neurology, Leiden University Medical Centre, Leiden, The Netherlands
8 Department of Neurology, Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain
9 Headache Research Group, Vall d'Hebron Research Institute, Universitat Autonoma de Barcelona, Barcelona, Spain
10 Department of Neurology, Oslo University Hospital and University of Oslo, Oslo, Norway
11 Neurogenetics Laboratory, Queensland Institute of Medical Research, Brisbane, Australia
12 Institute of Human Genetics, University of Ulm, Ulm, Germany
13 Department of Psychiatry, Leiden University Medical Centre, Leiden, The Netherlands
14 Folkhälsan Research Center, Helsinki, Finland
15 Headache Research Unit, Department of Neurology and Groupe Interdisciplinaire de Génoprotéomique Appliquée (GIGA)-Neurosciences, Liège University, Liège, Belgium
16 Department of Clinical Physiology, University of Turku and Turku University Central Hospital, Turku, Finland
17 Department of Clinical Chemistry, Tampere University Hospital and University of Tampere, Tampere, Finland
18 Pediatric Neurology Research Group, Vall d'Hebron Research Institute, Barcelona, Spain
19 Kiel Pain and Headache Center, Kiel, Germany
20 Institute of Epidemiology, Helmholtz Center Munich, Neuherberg, Germany
21 Department of Genetics, University of Barcelona, Barcelona, Spain
22 Biomedical Network Research Centre on Rare Diseases (CIBERER), Barcelona, Spain
23 Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
24 Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands
25 Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
26 Department of Public Health, University of Helsinki, Helsinki, Finland
27 Department of Mental Health and Alcohol Research, National Institute for Health and Welfare, Helsinki, Finland
28 Institut de Biomedicina de la Universitat de Barcelona (IBUB), Barcelona, Spain
29 Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, Germany
30 Institute of Human Genetics, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
31 Max Planck Institute of Psychiatry, Munich, Germany
32 The Broad Institute of MIT and Harvard, Boston, Massachusetts, USA
33 Department of Medical Genetics, University of Helsinki, Helsinki, Finland
34 Department of Medical Genetics, Helsinki University Central Hospital, Helsinki, Finland
