1. Diagnostic Haemostasis Laboratory, Haematology, Institute of Clinical Pathology and Medical Research (ICPMR), NSW Health Pathology, Westmead Hospital, Westmead, Australia
2. Sydney Centres for Thrombosis and Haemostasis, Westmead, Australia
3. Department of Haematology, Westmead Hospital, Sydney, Australia
4. Sydney Medical School, The University of Sydney, Sydney, Australia