1. Department of Life, Health and Environmental Sciences, University of L’Aquila, Via Vetoio Coppito 2, 67100 L’Aquila, Italy
2. UOSD, Department of Mini-Invasive and Computer-Assisting Orthopedic Surgery, San Salvatore Hospital, Via L. Natali 1, 67100 L’Aquila, Italy
3. RomaPro, Polo Sanitario San Feliciano, Via Mattia Battistini, 44, 00167 Rome, Italy
4. GLOBE, Italian Working Group on Evidence-Based Orthopedics, Via Nicola Martelli, 3, 00197 Rome, Italy