Upon review of the reported data in this paper, some key elements of the data were found to be inaccurate and hence invalidate the findings of the paper. An Independent Panel of Inquiry found that the inaccuracy was entirely the responsibility of Dr K. Knight and that no other authors were aware or involved in the discrepancy.

Professor Wayne A. Morrison

Director, Bernard O'Brien Institue of Microsurgery

42 Fitzroy Street, Fitzroy, Victoria 3065, Australia