1. U.O.C. 1° Clinica Ortopedica, ASST Gaetano Pini-CTO, Milan, Italy.
2. Laboratory of Applied Biomechanics, Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy.
3. REsearch Center for Adult and Pediatric Rheumatic Diseases (RECAP-RD), Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy.
4. Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milano, Italy.
5. Università degli Studi di Milano, Milano, Italy.
6. Knee and Shoulder Arthroscopy Unit, Department of Orthopedic Surgery, Tanta University, Egypt.
7. Biometry and Clinical Epidemiology, Scientific Direction, IRCCS San Matteo Hospital Foundation, Pavia, Italy.