1. School of Women's and Infants’ Health; and School of Medicine and Pharmacology, University of Western Australia, Crawley, Western Australia, Australia
2. School of Women's and Infants’ Health; and School of Medicine and Pharmacology, University of Western Australia, Department of Anaesthesia and Pain Medicine, King Edward Memorial Hospital for Women, Subiaco.
3. Stoke Mandeville Hospital, Buckinghamshire, United Kingdom.
4. School of Psychiatry and Clinical Neurosciences, University of Western Australia, Sir Charles Gairdner Hosptial, Perth.
5. Special Interest Group, Department of Anaesthesia, Sir Charles Gairdner Hospital, Perth.
6. Special Interest Group, Caboolture Hospital, Queensland.