1. Faculty of Medical Science, American University of Barbados, Bridgetown, Barbados
2. Faculty of Medical Science, University of Birmingham, Birmingham, UK
3. Research Fellow, Cooper University Hospital, Camden, NJ, USA
4. Faculty of Medical Science, University College London (UCL), London, UK
5. Faculty of Biomedical Science, University of Liverpool, Liverpool, UK
6. IOWA, University of Des Moines, Des Moines, LA, USA
7. Faculty of Medical Science, University of West Indies Cave Hill Campus, Kingston, Bridgetown, Barbados