ISF Welding and Joining Institute RWTH Aachen University Pontstrasse 49 52062 Aachen Germany CC&A Medical Components Ltd. Center for Biomedical Engineering Pauwelsstrasse 17 52074 Aachen Germany;
CC&A Medical Components Ltd. Center for Biomedical Engineering Pauwelsstrasse 17 52074 Aachen Germany;
ISF Welding and Joining Institute RWTH Aachen University Pontstrasse 49 52062 Aachen Germany;
Orthopaedics and Traumatology Clinic University Hospital Bonn Sigmund-Freud-Strasse 25 53127 Bonn Germany;