1. Health Robotics and Automation Laboratory, Institute for Anthropo-matics and Robotics, Karlsruhe Institute of Technology (KIT),Karlsruhe,Germany
2. Intelligent Process Automation and Robotics Laboratory, Institute for Anthropomatics and Robotics, Karlsruhe Institute of Technology (KIT),Karlsruhe,Germany
3. University Hospital Dresden, Technical University (TU) Dresden,Department of Medicine I,Dresden,Germany
4. Institute of Microstructure Technology, Karlsruhe Institute of Technology (KIT),Karlsruhe,Germany