Text and Data Mining valid from 2019-05-17
Received: 30 May 2018
Accepted: 8 May 2019
First Online: 17 May 2019
Ethics approval and consent to participate
: The aims and methodology of this study were explained to all participants and their parents, and written informed consent was obtained. In the case of minor participants (age < 16 years), informed consent was obtained from the parents/legal guardians. Ethical approval in accordance to the Declaration of Helsinki was obtained from the Rehabilitation Research review board of King Saud University before data collection (Ref. KSU/RRC/85/11/2017).
: Not applicable.
: The authors declare that they have no competing interests.
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