1. Department of Othopaedics and Traumatology, Fondazione Policlinico IRCCS San Matteo, University of Pavia, 27100 Pavia, Italy
2. Department of Othopaedics and Traumatology, Fondazione Poliambulanza Istituto Ospedaliero, 25124 Brescia, Italy
3. Regional Center of Ehlers-Danlos Syndrome, IRCCS Ca’Granda Foundation Ospedale Maggiore Policlinico, 20122 Milan, Italy