About the Authors

Ammar Al-Chalabi

ammar@iop.kcl.ac.uk

Affiliation MRC Centre for Neurodegeneration Research, King's College London, Department of Clinical Neuroscience, Institute of Psychiatry, and NIHR Biomedical Research Centre, London, United Kingdom

Alexandra Dürr

Affiliations INSERM, UMRS975 (formerly UMR_S679), Paris, France, AP-HP, Hôpital Pitié-Salpêtrière, Department of Genetics and Cytogenetics, Paris, France

Nicholas W. Wood

Affiliation Department of Molecular Neuroscience, Institute of Neurology, University College London, London, United Kingdom

Michael H. Parkinson

Affiliation MRC Centre for Neurodegeneration Research, King's College London, Department of Clinical Neuroscience, Institute of Psychiatry, and NIHR Biomedical Research Centre, London, United Kingdom

Agnes Camuzat

Affiliations INSERM, UMRS975 (formerly UMR_S679), Paris, France, AP-HP, Hôpital Pitié-Salpêtrière, Department of Genetics and Cytogenetics, Paris, France

Jean-Sébastien Hulot

Affiliation Département Pharmacologie Clinique, Centre Hospitalo-Universitaire de la Pitié-Salpétrière, Assistance Publique Hôpitaux de Paris & UPMC Univ. Paris 06, UMR 7087, Paris, France

Karen E. Morrison

Affiliation Department of Clinical Neurosciences, School of Clinical and Experimental Medicine, University of Birmingham, Birmingham, United Kingdom

Alan Renton

Affiliation Department of Molecular Neuroscience, Institute of Neurology, University College London, London, United Kingdom

Sigurd D. Sussmuth

Affiliation Abteilung Neurologie, Universität Ulm, Ulm, Germany

Bernhard G. Landwehrmeyer

Affiliation Abteilung Neurologie, Universität Ulm, Ulm, Germany

Albert Ludolph

Affiliation Abteilung Neurologie, Universität Ulm, Ulm, Germany

Yves Agid

Affiliation Centre d'Investigation Clinique, Hôpital de la Pitié-Salpêtrière, Paris, France

Alexis Brice

Affiliations INSERM, UMRS975 (formerly UMR_S679), Paris, France, AP-HP, Hôpital Pitié-Salpêtrière, Department of Genetics and Cytogenetics, Paris, France

P. Nigel Leigh

Affiliation MRC Centre for Neurodegeneration Research, King's College London, Department of Clinical Neuroscience, Institute of Psychiatry, and NIHR Biomedical Research Centre, London, United Kingdom

Gilbert Bensimon

Affiliation Département Pharmacologie Clinique, Centre Hospitalo-Universitaire de la Pitié-Salpétrière, Assistance Publique Hôpitaux de Paris & UPMC Univ. Paris 06, UMR 7087, Paris, France

for the NNIPPS Genetic Study Group

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AAC AD NWW JSH KM YA AB PNL GB. Performed the experiments: AAC MP AC AEMR. Analyzed the data: AAC MP PNL GB. Contributed reagents/materials/analysis tools: AD NWW BL AL AB. Wrote the paper: AAC AD NWW MP JSH KM AB PNL GB. Logistic management: JSH. Quality assurance: JSH. Responsible for repository management: KM. Logistic management of German samples: SS. Coordinator for NNIPPS Germany: AL. Coordinator for NNIPPS UK: PNL. Coordinator for NNIPPS France: GB.