**Author details**

Fiona Langdon1,2,3 and Roger Hart2,3\*

\*Address all correspondence to: roger.hart@uwa.edu.au

1 King Edward Memorial Hospital, Subiaco, WA, Australia

2 Fertility Specialists of Western Australia, Bethesda Hospital, Claremont, WA, Australia

3 Division of Obstetrics and Gynaecology, University of Western Australia, Perth, WA, Australia
