1. Medical Research Institute; Colombo 08 Sri Lanka
2. Teaching Hospital Karapitiya; Galle Sri Lanka
3. PathWest Laboratory Medicine; Nedlands Western Australia Australia
4. CSIRO; Australian Animal Health Laboratory; Geelong Victoria Australia
5. Department of Microbiology, Faculty of Medicine; University of Peradeniya; Sri Lanka
6. School of Medicine and Pharmacology; University of Western Australia; Nedlands Western Australia Australia
7. Lady Ridgeway Children's Hospital; Colombo 08 Sri Lanka