Ambroise Wonkam1, Samia A Hurst2. 1. Department of Morphology and Pathology, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Yaoundé, Cameroon; Department of Genetic Medicine and Development, Geneva University Hospitals, Rue Michel-Servet 1, CH 1211, Geneva 4, Switzerland. Electronic address: ambroise.wonkam@medecine.unige.ch. 2. Institute for Biomedical Ethics, Geneva University Medical School, Switzerland.