1. Department of Biomedical and Neuromotor Science, Physical and Rehabilitation Medicine Unit, Istituto di Ricovero e Cura a Carattere ScientificoRizzoli Orthopedic Institute Bologna Italy
2. Department of Physical and Rehabilitation MedicineHacettepe University Medical School Ankara Turkey
3. Physical Medicine and Rehabilitation Unit San Giovanni in Persiceto Bologna Italy
4. Physical Medicine and Rehabilitation ServiceMadre Fortunata Toniolo Private Hospital Bologna Italy
5. Musculoskeletal Ultrasound SchoolItalian Society for Ultrasound in Medicine and Biology Bologna Italy