Haematology, Royal Prince Alfred Hospital, Camperdown, NSW, Australia; University of Sydney, Sydney, NSW, Australia. Electronic address: harryiland@gmail.com. Centre for Biostatistics and Clinical Trials, Peter MacCallum Cancer Centre, East Melbourne, Melbourne, VIC, Australia. University of Sydney, Sydney, NSW, Australia; Haematology, Westmead Hospital, Westmead, NSW, Australia. Haematology, Royal Prince Alfred Hospital, Camperdown, NSW, Australia. University of Auckland, Auckland, New Zealand. Haematology, Royal Melbourne Hospital, Parkville, VIC, Australia; University of Melbourne, Melbourne, VIC, Australia. University of Melbourne, Melbourne, VIC, Australia; Haematology, St Vincent's Hospital, Fitzroy, VIC, Australia. University of Melbourne, Melbourne, VIC, Australia; Victorian Cancer Cytogenetics Service, St Vincent's Hospital, Fitzroy, VIC, Australia. Haematology, Gosford Hospital, Gosford, NSW, Australia; University of Newcastle, Callaghan, NSW, Australia. Haematology, Mater Medical Centre, South Brisbane, QLD, Australia. University of Newcastle, Callaghan, NSW, Australia; Haematology, Calvary Mater Hospital, Newcastle, Australia. Haematology, Nepean Hospital, Kingswood, NSW, Australia. Haematology, St Vincent's Hospital, Darlinghurst, NSW, Australia; University of New South Wales, Kensington, NSW, Australia. Haematology, Wesley Medical Centre, Auchenflower, QLD, Australia. Haematology, Peter MacCallum Cancer Centre, East Melbourne, Melbourne, VIC, Australia; University of Melbourne, Melbourne, VIC, Australia.