Received: 23 September 2019
Accepted: 3 April 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: The present study was approved by the local ethics committee of the Rehabilitation Research Chair, King Saud University. A written informed consent was taken from each patient.
: Not Applicable.
: Shahnawaz Anwer is a member of the editorial board of BMC Musculoskeletal Disorders journal. No other conflicts of interest, financial or otherwise, are declared by the author(s).