1. School of Dentistry, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago
2. Department of Preclinical Sciences, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad and Tobago
3. Department of Genomic Medicine, J. Craig Venter Institute, La Jolla, CA, USA
4. Department of Biology, The American University in Cairo, New Cairo, Egypt