1. C. Schlenstedt, PhD, Departments of Neurology and Sport Science, Christian-Albrechts University, Kiel, Germany.
2. S. Brombacher, DiplPsych, Department of Neurology, Christian-Albrechts University.
3. G. Hartwigsen, PhD, Department of Psychology, Christian-Albrechts University.
4. B. Weisser, MD, Department of Sport Science, Christian-Albrechts University.
5. B. Möller, PhD, Department of Neurology, Christian-Albrechts University.
6. G. Deuschl, MD, PhD, Department of Neurology, Christian-Albrechts University, University Hospital Schleswig-Holstein, Campus Kiel, Schittenhelmstr 10, 24105 Kiel, Germany.