1. University of Naples Federico II Naples Italy
2. Federal University of Minas Gerais Belo Horizonte Brazil
3. University of Nottingham Nottingham UK
4. Royal College of Surgeons in Ireland Dublin Ireland
5. Swansea University Swansea UK
6. University of San Diego San Diego California USA
7. Nanjing University Nanjing China
8. University of Pennsylvania Philadelphia Pennsylvania USA
9. University College London London UK
10. La Trobe University, Melbourne Campus Bundoora Victoria Australia
11. The University of British Columbia Vancouver British Columbia Canada
12. University of Reading Reading UK
13. William Harvey Research Institute Queen Mary University of London London UK