- Correspondence to Dr Marcos Santos, UNESCO Chair of Bioethics, Faculty of Health and Sciences, University of Brasilia, PO BOX 04451, CEP 70919-970 Brasilia, Federal District, Brazil;
- Received April 10, 2016
- Revised June 12, 2017
- Accepted July 17, 2017
- First published August 5, 2017.
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