1. Department of Surgery, The University of Auckland, Auckland, New Zealand
2. Alimetry, Ltd., Auckland, New Zealand
3. Division of Gastroenterology, University of Calgary, Calgary, Alberta, Canada
4. School of Medicine, Western Sydney University, Sydney, New South Wales, Australia
5. Graduate School of Engineering, Kobe University, Kobe, Japan
6. Department of Obstetrics and Gynaecology, The University of Auckland, Auckland, New Zealand