1. Specialist Anaesthetist, Department Anaesthesia and Pain Medicine Royal Melbourne Hospital, Melbourne, Australia and Centre for Integrated Critical Care, Melbourne University Melbourne Victoria Australia
2. Anaesthetic registrar, Department Anaesthesia, Pain and Perioperative Medicine Western Health Melbourne Australia
3. Medical Registrar, Department of Medicine Western Health Melbourne Australia
4. Resident, Department Anaesthesia, Pain and Perioperative Medicine Western Health Melbourne Australia
5. Honorary Specialist Anaesthetist, Department Anaesthesia, Pain and Perioperative Medicine Western Health Melbourne Australia
6. Specialist Anaesthetist, Department Anaesthesia, Pain and Perioperative Medicine Western Health Melbourne Australia