[1] Univ Kinshasa, Dept Gastroenterol, Kinshasa, DEM REP CONGO
[2] Protestant Univ Congo, Dept Family Med & Primary Hlth Care, Kinshasa, DEM REP CONGO
[3] Univ Kinshasa, Dept Nephrol, Kinshasa, DEM REP CONGO
[4] Univ Kikwit, Dept Nephrol, Kikwit, DEM REP CONGO
[5] Univ Kinshasa, Dept Infect Dis, Kinshasa, DEM REP CONGO
[6] Univ Kinshasa, Dept Cardiol, Kinshasa, DEM REP CONGO