1 Trauma Surgery Department I.R.C.C.S. Orthopedic Institute Galeazzi, 20161 Milan, Italy. ste.fozzato@gmail.com.
2 Department of Anatomical, Histological, Forensic and Orthopedic Sciences, "Sapienza" University of Rome, 00161 Rome, Italy. gabriele.napoletano@uniroma1.it.
3 Department of Movement, Human and Health Sciences University of Rome Foro Italico - 00135 Rome, Italy. antonello.ciccarelli@uniroma4.it.