[1] School of Medicine, University of Galway, Galway, Ireland
[2] Engmat Ltd., Clybaun Road, Galway, Ireland
[3] École Polytechnique Fédérale de Lausanne (EPFL), Swiss Plasma Center (SPC), PSI, Villigen,CH-5232, Switzerland
[4] Department of Physics and Astronomy, University of Sussex, Brighton,BN1 9QH, United Kingdom
[5] Experimental Orthopaedics, Department of Orthopaedic Surgery, Medical University of Innsbruck, Innrain 36, Innsbruck,6020, Austria
[6] Centre for Materials and Microsystems, Fondazione Bruno Kessler, via Sommarive 18, Trento,38123, Italy
[7] Department of Industrial Engineering, University of Trento, via Sommarive 9, Trento,38123, Italy
[8] Istituto di Fotonica e Nanotecnologie, IFN-CNR, via alla Cascata 56/C, Trento,38123, Italy
[9] Laboratory of Bio-Inspired, Bionic, Nano, Meta Materials & Mechanics, Department of Civil, Environmental and Mechanical Engineering, University of Trento, via Mesiano 77, Trento,38123, Italy
[10] School of Engineering and Materials Science, Queen Mary University of London, Mile End Road, London,E1 4NS, United Kingdom