About the Authors

Russell Lewis McLaughlin

mclaugr@tcd.ie

Affiliations Smurfit Institute of Genetics, Trinity College Dublin, Dublin, Ireland, Department of Neurology, Beaumont Hospital, Dublin, Ireland

Julie Phukan

Affiliations Department of Neurology, Beaumont Hospital, Dublin, Ireland, Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland

William McCormack

Affiliation Human Science Research Unit, Faculty of Education and Health Sciences, University of Limerick, Limerick, Ireland

David S. Lynch

Affiliations Department of Neurology, Beaumont Hospital, Dublin, Ireland, Royal College of Surgeons Ireland, Dublin, Ireland

Matthew Greenway

Affiliation Royal College of Surgeons Ireland, Dublin, Ireland

Simon Cronin

Affiliations Department of Neurology, Beaumont Hospital, Dublin, Ireland, Royal College of Surgeons Ireland, Dublin, Ireland

Jean Saunders

Affiliation Statistical Consulting Unit, University of Limerick, Limerick, Ireland

Agnieska Slowik

Affiliation Department of Neurology, Jagiellonian University, Krakow, Poland

Barbara Tomik

Affiliation Department of Neurology, Jagiellonian University, Krakow, Poland

Peter M. Andersen

Affiliation Department of Pharmacology and Clinical Neurosciences, Umeå University Hospital, Umeå, Sweden

Daniel G. Bradley

Affiliation Smurfit Institute of Genetics, Trinity College Dublin, Dublin, Ireland

Phil Jakeman

Affiliation Human Science Research Unit, Faculty of Education and Health Sciences, University of Limerick, Limerick, Ireland

Orla Hardiman

Affiliations Department of Neurology, Beaumont Hospital, Dublin, Ireland, Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: OH SC MG. Performed the experiments: JP SC RLM. Analyzed the data: RLM OH WM DSL PJ JS. Contributed reagents/materials/analysis tools: PMA BT AS DB PJ OH. Wrote the paper: RLM JP DSL SC OH.