1. University College London; London UK
2. University of Copenhagen; Copenhagen Denmark
3. Samara State Medical University; Samara Russia
4. Hospital Santa Maria; Lisbon Portugal
5. Royal Sussex County Hospital; Brighton UK
6. Hospital Universitari Germans Trias i Pujol; Barcelona Spain
7. Ospedale San Paulo; Milan Italy
8. University Hospital Cologne; Cologne Germany
9. Hospital Clinic; Barcelona Spain
10. Belarus State Medical University; Minsk Belarus
11. Kharkov State Medical University; Khrakov Ukraine
12. Crimean Republican AIDS Centre; Simferopol Ukraine
13. Poznan University of Medical Sciences; Poznań Poland
14. St James’ Hospital; Dublin Ireland
15. ViiV Healthcare; Research Triangle Park NC USA
16. University Hospital Zürich; Zürich Switzerland
17. Vilnius University Hospital Santariskiu Klinikos; Vilnius Lithuania
18. Ghent University Hospital; Gent Belgium
19. Aarhus University Hospital; Skejby Denmark