1 GynaePath, Douglass Hanly Moir Pathology, Macquarie Park, Australia.
2 GynaePath, Douglass Hanly Moir Pathology, Macquarie Park, Australia; Department of Obstetrics Gynaecology and Neonatology, The University of Sydney, Australia. Electronic address: russell2@bigpond.net.au.
3 Department of Pathology, St George Hospital, Kogarah, Australia.