1. King's College Hospital; London UK
2. University of Exeter; Exeter UK
3. The Chinese University of Hong Kong; Shatin Hong Kong
4. Hospital Clínico Universitario Virgen de la Arrixaca; Murcia Spain
5. Medway Maritime Hospital; Gillingham Kent UK
6. Homerton University Hospital; London UK
7. North Middlesex University Hospital; London UK
8. Southend University Hospital; Essex UK
9. Hospital Universitario San Cecilio; Granada Spain
10. Ospedale Maggiore Policlinico; Milan Italy
11. University Hospital Brugmann, Université Libre de Bruxelles; Brussels Belgium
12. Hospiten Group; Tenerife Canary Islands Spain
13. Attikon University Hospital; Athens Greece
14. Rabin Medical Center; Petach Tikva Israel