Please note that proceeding further down will serve as an acknowledgement that you understand and agree to abide by the following terms:

1) Opinions expressed and conclusions arrived at are those of the author, and are not necessarily attributable to the University of the Witwatersrand, South African National Blood Service, Organ Donor Foundation of Southern Africa, or Netcare Transplant Division.

2) Copyright pertaining to the following dissertation rests jointly with the author, Vasco Ferreira Almeida, and the University of the Witwatersrand. Permission is granted for the extraction, utilisation and publication by third parties of portions of the discussion paper on condition that this thesis/source is explicitly acknowledged and that any contents or arguments derived herein do not appear in any commercial/for-profit publication, but are rather provided free of charge.

3) In terms of internal University of the Witwatersrand guidelines, final submission of this paper for academic review required the approval of the Committee for Research on Human Subjects (Medical). Unconditional approval was granted, with the relevant approval certificate being held under protocol number: M01-04-02, issued 1 April 2001.



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