1. Department of Epidemiology and Preventive Medicine; Monash University; Melbourne Australia
2. Research and Development, Australian Red Cross Blood Service; Melbourne Australia
3. Victorian Cancer Cytogenetics Service, St Vincent's Hospital; Melbourne Australia
4. Department of Medicine; University of Melbourne; St Vincent's Hospital Melbourne Australia
5. Australian Centre for Blood Diseases; Monash University; Melbourne Australia
6. Victorian Cancer Registry; Melbourne Australia
7. Department of Medicine; Southern Clinical School, Monash University; Melbourne Australia