1. Discipline of Clinical Anatomy, School of Laboratory Medicine and Medical Sciences, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, Durban 4013, South Africa
2. Department of Anatomy, Faculty of Basic Medical Sciences, College of Health Sciences, University of Ilorin, 240003, Nigeria
3. Department of Anatomy, School of Medicine, University of Namibia, Windhoek, Namibia