[1] Damascus Univ, Al Assad & Al Mouwasat Univ Hosp, Fac Med, Dept Nephrol, Damascus, Syria
[2] Damascus Univ, Al Assad & Al Mouwasat Univ Hosp, Fac Med, Dept Infect Dis, Damascus, Syria
[3] Damascus Univ, Al Assad & Al Mouwasat Univ Hosp, Fac Med, Dept Neurol, Damascus, Syria
[4] Damascus Univ, Al Assad & Al Mouwasat Univ Hosp, Fac Med, Dept Internal Med, Damascus, Syria
[5] Al Sham Private Univ, Fac Med, Damascus, Syria
[6] Damascus Univ, Al Assad Univ Hosp, Fac Med, Dept Nephrol, Damascus, Syria
[7] Damascus Univ, Al Assad & Al Mouwasat Univ Hosp, Fac Med, Dept Nephrol, Omar Ibn Abdulaziz St, Damascus, Syria