[1] Komfo Anokye Teaching Hospital,Renal Unit, Department of Internal Medicine
[2] Kwame Nkrumah University of Science and Technology,Department of Medicine
[3] Kumasi,Research and Development Unit
[4] School of Medical Sciences,Division of Nephrology, Department of Medicine
[5] Komfo Anokye Teaching Hospital,undefined
[6] Stellenbosch University and Tygerberg Hospital,undefined