1. Consultant Obstetrician and Gynaecologist Garoka Hospital; Goroka Papua New Guinea
2. Department of Obstetrics and Gynaecology; University of Papua New Guinea; Port Moresby Papua New Guinea
3. Rumah Sakit Umum Daerah Dr M. Haulussy Hospital; Ambon Indonesia
4. Discipline of Obstetrics, Gynaecology and Neonatology; Central Clinical School; Royal Prince Alfred Hospital; Camperdown New South Wales Australia