1. Department of Paediatrics; University of Melbourne; Parkville Vic Australia
2. Murdoch Childrens Research Institute; Parkville Vic Australia
3. Royal Children's Hospital; Parkville Vic Australia
4. Department of Paediatrics; Colonial War Memorial Hospital; Suva Fiji
5. College of Medicine, Nursing and Health Sciences; Fiji National University; Suva Fiji
6. Fiji Rheumatic Heart Disease Control Program; Suva Fiji
7. Wellcome Trust Centre for Human Genetics; University of Oxford; Oxford UK