1. Center for Medical Physics and Biomedical Engineering; Medical University of Vienna; Vienna Austria
2. Institute of Analysis and Scientific Computing; Vienna University of Technology; Vienna Austria
3. Department of Neurobiology and Anatomy; Drexel University of Medicine; Philadelphia PA
4. Ludwig Boltzmann Institute of Electrical Stimulation and Physical Rehabilitation; Vienna Austria
5. Otto Bock Healthcare Products GmbH; Vienna Austria
6. Department of Physical Medicine and Rehabilitation; Wilhelminenspital Wien; Vienna Austria
7. Hulse Spinal Cord Injury Lab; Crawford Research Institute, Shepherd Center; Atlanta GA USA