Received: 28 March 2019
Accepted: 13 May 2020
First Online: 27 May 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.This article does not contain any studies with animals performed by any of the authors.The protocol of the study was discussed and approved by the Research Ethical Committee–Faculty of Physical Therapy in 5 July 2015, then approved by Cairo University at the end of July 2015 with Reference Number: P.T.REC/012/00975.
: Not applicable
: The authors declare that they have no competing interests.