Authors' contributions
This work was carried out by VAP as a component of his Doctor of Medicine (DM) (Family Medicine) degree from The University of the West Indies. RGM and JMR were his academic supervisors during the process. VAP conceptualized the project and RGM and JMR provided guidance to the final protocol, design and implementation. VAP conducted the clinical component and collected the data. All authors read, contributed to, and approved the final document.