1. School of Veterinary Medicine; The University of the West Indies; St. Augustine Trinidad and Tobago
2. Department of Pre-Clinical Sciences; The University of the West Indies; St. Augustine Trinidad and Tobago
3. Institute for Human Infections and Immunity and Center for Tropical Diseases; University of Texas Medical Branch; Galveston TX USA
4. Department of Veterinary Microbiology and Preventive Medicine; College of Veterinary Medicine; Iowa State University; Ames IA USA
5. Department of Life Sciences; The University of the West Indies; St. Augustine Trinidad and Tobago