1. TU Wien-Vienna University of Technology; Institute for Mechanics of Materials and Structures; Karlsplatz 13/202 Vienna 1040 Austria
2. CIS-EMSE, CNRS:UMR 5307; LGF; Ecole Nationale Supérieure des Mines Saint-Etienne F-42023 France
3. Institute for Bioengineering of Catalonia; C/Baldiri Reixac 10-12; Barcelona 08028 Spain
4. Mechanical Engineering Department; University of Malta; Tal Qroqq Msida MSD 2080 Malta