Received: 14 April 2020
Accepted: 16 October 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: The aim and procedures of the study were explained to every participant, and an informed written consent was obtained from all participants before being enrolled in the study. The study was approved by the ethical committee of Department of Physical Therapy for Neuromuscular Disorders and its Surgery, Faculty of Physical Therapy, Cairo University: NO:P.T.REC/012/00969 (26/5/2015).
: Not applicable.
: The authors declare that we have no competing interests (financial and non-financial). We declare that the research was conducted in absence of any commercial relationships that could be constructed as a potential conflict of interest.