[1] Luigi Sacco University Hospital,Physical and Rehabilitation Medicine Unit
[2] ASST Fatebenefratelli-Sacco,Department of Rehabilitation Medicine
[3] Charles University,Department of Physical Medicine and Rehabilitation and Community and Geriatric Research Center
[4] First Faculty of Medicine and General University Hospital in Prague,Department of Physical Medicine and Rehabilitation
[5] National Taiwan University Hospital,Department of Orthopaedic Surgery
[6] University of Pittsburgh,Department of Physical and Rehabilitation Medicine
[7] University of Pittsburgh,Institute of Anatomy, First Faculty of Medicine
[8] Hacettepe University Medical School,undefined
[9] Charles University,undefined