1Department of Pharmacology and Clinical Neuroscience, Section of Neurology, Umea university, Sweden, E-mail: patric.blomstedt@neuro.umu.se
2Department of Community Medicine and Rehabilitation, Section for Occupational Therapy, Umea university, Umea, Sweden, E-mail: patric.blomstedt@neuro.umu.se
3Department of Pharmacology and Clinical Neuroscience, Section of Neurosurgery, Umea university, Sweden, E-mail: patric.blomstedt@neuro.umu.se
4Unit of Functional Neurosurgery, UCL Institute of Neurology, Queen Square, London, United Kingdom, E-mail: patric.blomstedt@neuro.umu.se