1. University Medical Center Göttingen: Universitatsmedizin Gottingen
2. Harvard University T H Chan School of Public Health
3. Princess Margaret Hospital Cancer Centre
4. H Lee Moffitt Cancer Center and Research Center Inc: Moffitt Cancer Center
5. University of Hawai'i Cancer Center
6. National Cancer Institute
7. Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico
8. University of Liverpool
9. Universidad de Oviedo
10. Carmel Medical Center
11. Baylor College of Medicine
12. University of Toronto