[1] Med Univ Matanzas, Matanzas, Cuba
[2] Med Univ Matanzas, Bioeth Comm, Matanzas, Cuba
[3] Amer Soc Bioeth & Humanities, Chicago, IL 60631 USA
[4] Univ Miami, Miller Sch Med, Inst Bioeth & Hlth Policy, Coral Gables, FL 33124 USA
[5] PAHO WHO Collaborating Ctr, Washington, DC USA
[6] Univ Miami, Med, Coral Gables, FL 33124 USA