Received: 17 June 2021
Accepted: 25 October 2021
First Online: 4 November 2021
: The authors obtained permission to conduct this study that was approved from Research Ethical Committee (REC) for Human and Animal Research at Faculty of Medicine, Helwan University Serial: 84- 2020 (A). All patients gave written agreement. The procedures followed were in accordance with our protocol. We recruited 220 patients from Outpatient clinic of Rheumatology Department, Helwan University Hospital.
: Not applicable.
: The authors declare that they have no competing interests.