1. Department of Obstetrics and Gynaecology; John Hunter Hospital; Newcastle New South Wales Australia
2. School of Public Health, Faculty of Medicine; University of Sydney; Camperdown New South Wales Australia
3. Department of Obstetrics and Gynaecology, School of Medicine and Health Sciences; UPNG and The Port Moresby General Hospital; Port Moresby Papua New Guinea
4. Discipline of Obstetrics and Gynaecology and Neonatology, Central Clinical School; University of Sydney; Camperdown New South Wales Australia
5. Department of Obstetrics and Gynaecology; Westmead Hospital; Sydney New South Wales Australia
6. ’Spacim-Pikinini Organisation’; Rotary Australia World Community Services; Sydney New South Wales Australia
7. Department of Obstetrics; Modilon Hospital; Madang Papua New Guinea