[1] Charite Univ Med Berlin, Dept Nephrol & Med Intens Care, Berlin, Germany
[2] Yale Univ, Sch Med, Dept Internal Med, Nephrol Sect, New Haven, CT 06510 USA
[3] African Community Ctr Social Sustainabil ACCESS, Nakaseke, Uganda
[4] Makerere Univ, Coll Hlth Sci, Dept Physiol, Kampala, Uganda