1. Institute for Bioethics and Health Policy, University of Miami, POB 016960 (M-825), Miami 33101, Florida, United States of America.
2. Integrated Health Services, World Health Organization, Geneva, Switzerland.
3. Research for Health, World Health Organization, Geneva, Switzerland.
4. Institute of Translational Medicine, Eidgenössische Technische Hochschule Zürich, Zürich, Switzerland.