1. Centre for Medical Sciences Education, University of the West Indies, St. Augustine, Trinidad and Tobago;
2. Faculty of Medical Sciences, University of the West Indies, Cave Hill, Barbados, West Indies;
3. Department of Paraclinical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago, West Indies;
4. Department of Preclinical Sciences, The Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago