Multiplex PCR in septic arthritis and periprosthetic joint infections microorganism identification: Results from the application of a new molecular testing diagnostic algorithm oleh Stefano Ghirardelli, Federica Scaggiante, Christina Troi, Pieralberto Valpiana, Giovanni Cristofolini, Giuseppe Aloisi, Bruno Violante, Arcangelo Russo, Sebastian Schaller, Pier F. Indelli