1. Physical and Rehabilitation Medicine Unit Luigi Sacco University Hospital, ASST Fatebenefratelli‐Sacco Milan Italy
2. Department of Rehabilitation Medicine, First Faculty of Medicine Charles University and General University Hospital Prague Czech Republic
3. Unit of Ultrasound in Internal Medicine, Department of Medicine and Science of Aging G. d'Annunzio University Chieti Italy
4. Physical and Rehabilitation Medicine Unit, Department of Biomedical and Neuromotor Science IRCCS Rizzoli Orthopedic Institute, University of Bologna Bologna Italy
5. First Faculty of Medicine Institute of Anatomy, Charles University Prague Czech Republic
6. Department of Basic Medical Sciences, Neurosciences and Sense Organs Aldo Moro University Bari Italy
7. Department of Biological and Environmental Science and Technologies (Di.S.Te.B.A.) University of Salento Lecce Italy
8. Department of Physical and Rehabilitation Medicine Hacettepe University Medical School Ankara Turkey