1 Section of Clinical Biochemistry, University of Verona, Verona.
2 Medical Direction, Rovereto Hospital, Provincial Agency for Social and Sanitary Services (APSS), Trento, Italy.
3 Department of Haematology, Institute of Clinical Pathology and Medical Research (ICPMR), Sydney Centres for Thrombosis and Haemostasis, Westmead Hospital, Westmead.
4 Faculty of Science and Health, Charles Sturt University, Wagga Wagga.
5 School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Westmead Hospital, Westmead, New South Wales, Australia.