- Correspondence to Dr Christopher Simon Wareham, Steve Biko Centre for Bioethics, University of the Witwatersrand, Rm 312, 3rd floor, P.V. Tobias Building, Cnr Carse O'Gowrie and York Road, Parktown, Johannesburg 2193, South Africa;
- Received May 12, 2017
- Revised July 10, 2017
- Accepted July 20, 2017
- First published August 3, 2017.
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