| 1 (364) | Danish Cancer Society | DNK | |
| 2 (535) | Karolinska University Hospital | SWE | |
| 3 (937) | Oslo University Hospital | NOR | |
| 4 (1100) | Oulu University Hospital | FIN | |
| 5 (1410) | Norwegian Institute of Public Health | NOR | |
| 6 (1681) | Copenhagen University Hospital | DNK | |
| 7 (1706) | Sahlgrenska University Hospital | SWE | |
| 8 (1870) | National Institute for Health and Welfare | FIN | |
| 9 (2961) | Finnish Institute Occupational Health | FIN | |
| 10 (3122) | Helsinki University Central Hospital | FIN | |
| 11 (3132) | Odense University Hospital | DNK | |
| 12 (3331) | Aarhus University Hospital | DNK | |
| 13 (3601) | World Health Organization, Denmark | DNK | |
|