1Second Department of Orthopaedics, Konstantopouleio General Hospital N. Ionia, University of Athens Medical School, N. Ionia, Athens; 2First Department of Orthopaedics, “ATTIKON” University General Hospital, University of Athens Medical School, Chaidari, Athens; 3Laboratory of Inorganic and Analytical Chemistry, School of Chemical Engineering, National Technical University of Athens, Athens; 4...