1. Division of Manufacturing Engineering, Department of Management and Engineering, Linköping University, Linköping, Sweden
2. Department of Production Quality, Fraunhofer-Institute for Production Technology, Aachen, Germany
3. Department of Mechanism Theory and Dynamics of Machines, RWTH Aachen, Aachen, Germany
4. Department of Metrology and Quality Management, RWTH Aachen, Aachen, Germany