[1] Damascus Univ, Al Assad & Al Mouwasat Univ Hosp, Fac Med, Dept Neurol, Damascus, Syria
[2] Damascus Univ, Al Assad & Al Mouwasat Univ Hosp, Fac Med, Dept Nephrol, Damascus, Syria
[3] Damascus Univ, Al Assad & Al Mouwasat Univ Hosp, Fac Med, Dept Internal Med, Damascus, Syria
[4] Damascus Univ, Al Assad & Al Mouwasat Univ Hosp, Fac Med, Dept Rheumatol, Damascus, Syria