Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom.

Department of Physiotherapy, Sir Charles Gairdner Hospital, Perth, Australia.

Curtin School of Allied Health, Faculty of Health Sciences, Curtin University, Perth, Australia.

Faculty of Business and Social Sciences, Hochschule Osnabrueck, University of Applied Sciences, Osnabrueck, Germany.

Division of Neurological Pain Research and Therapy, Department of Neurology, University Medical Center Schleswig-Holstein, Kiel, Germany.

Danish Pain Research Center, Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.

Department of Neurology, Aarhus University Hospital, Aarhus, Denmark.

Department of Pain Management & Research, Norwegian National Advisory Unit on Neuropathic Pain, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway.

Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.

Department of Neurology, Tampere University Hospital, Tampere, Finland.

Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.

School of Medicine, Keele University, Keele, Staffordshire, United Kingdom.

Haywood Hospital, Midlands Partnership Foundation NHS Trust, Staffordshire, United Kingdom.

Institute for Musculoskeletal Health, The University of Sydney and Sydney Local Health District, Sydney, Australia.

Sydney Musculoskeletal Health, the University of Sydney, Sydney Australia.

Translational Pain Research Program, Departments of Neurosurgery and Neurology, University of Rochester, Rochester, NY, United States.

Patient Advocate Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom.

Division of Population Health and Genomics, University of Dundee, Dundee, Scotland.

Curtin School of Allied Health, Faculty of Health Sciences, Curtin University, Perth, Australia.

Division of Population Health and Genomics, University of Dundee, Dundee, Scotland.