1 Department of Physical Medicine and Rehabilitation, Physical Medicine and Rehabilitation Hospital, Andalous, Kuwait.
2 Department of Rehabilitation Medicine, Charles University, First Faculty of Medicine, Prague, Czech Republic.
3 Department of Biomedical and Neuromotor Science, Physical and Rehabilitation Medicine Unit, IRCCS Rizzoli Orthopaedic Institute, Bologna, Italy.
4 Department of Rehabilitation and Sports Medicine, Second Faculty of Medicine, Charles University and University Hospital Motol, Prague, Czech Republic.
5 Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey.