Text and Data Mining valid from 2019-03-04
Received: 25 May 2018
Accepted: 21 February 2019
First Online: 4 March 2019
Ethics approval and consent to participate
: All studies on humans described in this manuscript were carried out with the approval of the ethics committee of Cairo University, Faculty of medicine and in accordance with national and the Helsinki Declaration of 1975 (in its current revised form).All individual participants included in the study were informed about the aim of the study and gave their informed consent for participation & publication.
: All authors consent to publish the manuscript in Advances in Rheumatology.
: I.M.Metwally, N.N.Eesa, M.H.Yacoub & R.M.Elsman declare that they have no competing interests.
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