1. Cognitive Systems, Department of Applied Mathematics and Computer Science, Technical University of Denmark, Richard Petersens Plads B321, DK-2800 Kgs. Lyngby, Denmark
2. Department of Electrical and Electronic Engineering, Imperial College London, South Kensington Campus, Kensington, London SW7 2AZ, UK
3. Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital Hvidovre, Kettegaard Allé 30, DK-2650 Hvidovre, Denmark
4. Department of Neurology, Copenhagen University Hospital Bispebjerg, Bispebjerg Bakke 23, DK-2400 Copenhagen NV, Denmark