1. Rehabilitation Engineering Laboratory, Department of Health Sciences and Technology, Institute of Robotics and Intelligent Systems, ETH Zurich, Zurich, Switzerland
2. Kliniken Schmieder Allensbach, Allensbach, Germany
3. Future Health Technologies, Singapore-ETH Centre, Campus for Research Excellence and Technological Enterprise (CREATE), Singapore, Singapore
4. Lurija Institute for Rehabilitation Sciences and Health Research at the University of Konstanz, Konstanz, Germany