1. Department of Neurorehabilitation Engineering, Bernstein Focus Neurotechnology Göttingen, Bernstein Centre for Computational Neuroscience, University Medical Centre Göttingen; Georg-August University; Göttingen Germany
2. Department of Orthobionic; Georg-August University; Göttingen Germany
3. Koç University School of Medicine; Sariyer Istanbul Turkey
4. Faculty of Electrical Engineering and Computer Science; University of Maribor; Maribor Slovenia