1. Institute of Behavioural Sciences; Division of Cognitive Psychology and Neuropsychology; University of Helsinki; Helsinki Finland
2. Department of Clinical Neurophysiology; Satakunta Central Hospital; Pori Finland
3. Department of Neurosciences and Rehabilitation; Tampere University Hospital; Tampere Finland
4. Department of Physical Medicine and Rehabilitation; Harvard Medical School; Boston Massachusetts USA
5. Spaulding Rehabilitation Hospital; Boston Massachusetts USA
6. Red Sox Foundation and Massachusetts General Hospital Home Base Program; Boston Massachusetts USA
7. Massachusetts General Hospital Sport Concussion Clinic; Boston Massachusetts USA