1. Friedrich-Alexander University Erlangen-Nürnberg,Chair of Autonomous Systems and Mechatronics,Erlangen,Germany
2. Grovixon bvba,Brussels,Belgium
3. Vrije Universiteit Brussel and Flanders Make,Robotics and MultiBody Mechanics Research Group,Brussels,Belgium
4. Universitat Politécnica de Catalunya,Biomechanical Engineering Lab, Department of Mechanical Engineering and Research Centre for Biomedical Engineering,Barcelona,Spain