1 Advanced Musculoskeletal Ultrasound SIUMB School of Pisa, Department of Clinical and Experimental Medicine, Santa Chiara University Hospital, Pisa, Italy.
2 Department of Pathophysiology and Transplantation, University of Milan Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Internal Medicine-Hemostasis and Thrombosis, Milan, Italy. roberta.gualtierotti@unimi.it.
3 Diagnostic Radiology Operational Unit, Carlo Poma Hospital, Mantua, Italy.
4 Advanced Musculoskeletal Ultrasound, SIUMB School of Pisa, Pisa, Italy.
5 Orthopedic and Traumatology Operating Unit, San Luca Hospital, Lucca, Italy.
6 Advanced Musculoskeletal Ultrasound, SIUMB School of Bologna, Maggiore Hospital, Bologna, Italy.