1. Specialist in neurology, Department of Rehabilitation and Brain Trauma, Division of Clinical Neurosciences, Turku University Hospital and University of Turku, Turku, Finland
2. Statistician, Department of Biostatistics, University of Turku, Turku, Finland
3. Adjunct professor, specialist in physical and rehabilitation medicine, Department of Physical and Rehabilitation Medicine, Turku University Hospital and University of Turku, Turku, Finland