1. Anaesthesia and Pain Management Unit, Department of Pharmacology, Ultrasound Education Group, University of Melbourne.
2. Emergency Department, Frankston Hospital, Peninsula Health, Frankston and Ultrasound Education Group, Department of Pharmacology, University of Melbourne.
3. Sir Charles Gairdner and Joondalup Hospitals, Perth and Professor and Discipline Leader in Anaesthesia, School of Medicine Fremantle, University of Notre Dame Australia, Fremantle, Western Australia; Ultrasound Education Group, Department of Pharmacology, University of Melbourne.
4. Joondalup Hospital and Specialist Anaesthetist, Sir Charles Gairdner Hospital and Royal Perth Hospital, Perth; Professor, School of Medicine Fremantle, University of Notre Dame Australia, Fremantle, Western Australia and Ultrasound Education Group, Department of Pharmacology, University of Melbourne.
5. Northern Specialist Anaesthetics, Sydney Adventist Hospital, Sydney, New South Wales and Ultrasound Education Group, Department of Pharmacology, University of Melbourne.
6. Department of Surgery, University of Melbourne, Royal Melbourne Hospital, Ultrasound Education Group.