1. 4 Rizzoli Orthopedic Institute, Via Pupilli 1, 40136, Bologna, Italy
2. 2 Department of Medical and Surgical Sciences, University of Bologna, Via Massarenti 9, 40138, Bologna, Italy
3. 1 Evidence-based Nursing Centre, Azienda Ospedaliero-Universitaria, Via Albertoni 15, 40138, Bologna, Italy
4. 3 Cardio-thoracic vascular Department, Azienda Ospedaliero-Universitaria, Via Massarenti 9, 40138, Bologna, Italy