1. Department of Hepatobiliary Surgery; Queens Medical Centre; Derby Road Nottingham NG7 2UH UK
2. University of Aberdeen, Room 3; Dugald Baird Centre; Aberdeen Maternity Hospital; Cornhill Road Aberdeen AB25 2ZL UK
3. Department of Surgery; Aberdeen Royal Infirmary; Aberdeen AB25 2ZN UK
4. Department of Gastroenterology; Aberdeen Royal Infirmary; Aberdeen AB25 2ZN UK
5. Department of Clinical Radiology & Nuclear Medicine; Aberdeen Royal Infirmary; Aberdeen AB25 2ZN UK
6. Aberdeen Maternity Hospital; Cornhill Road Aberdeen AB25 2ZL UK