1. Department of Neuro-Urology, Balgrist University Hospital, University of Zürich, 8008 Zürich, Switzerland
2. Department of Urology, University Hospital Basel, University of Basel, 4031 Basel, Switzerland
3. Spinal Cord Injury Center, Balgrist University Hospital, University of Zürich, 8008 Zürich, Switzerland
4. Department of Neurophysics, Max Planck Institute for Human Cognitive and Brain Sciences, 04103 Leipzig, Germany
5. Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, London WC1N 3AR, UK
6. Neuroscience Center Zürich, University of Zürich and Swiss Federal Institute of Technology Zürich, 8057 Zürich, Switzerland
7. Department of Neuroradiology, University Hospital Zürich, University of Zürich, 8091 Zürich, Switzerland
8. Clinical Neuroscience Center, University Hospital Zürich, 8091 Zürich, Switzerland