| 1 (237) | Danish Cancer Society | DNK |  |
| 2 (342) | Karolinska University Hospital | SWE | |
| 3 (510) | Aarhus University Hospital | DNK | |
| 4 (700) | Sahlgrenska University Hospital | SWE | |
| 5 (1130) | Norwegian Institute of Public Health | NOR | |
| 6 (1816) | World Health Organization, Denmark | DNK | |
| 7 (2148) | Oulu University Hospital | FIN | |
| 8 (2198) | Copenhagen University Hospital | DNK | |
| 9 (2369) | National Institute for Health and Welfare | FIN | |
| 10 (2704) | Odense University Hospital | DNK | |
| 11 (3022) | Finnish Institute Occupational Health | FIN | |
| 12 (3342) | Helsinki University Central Hospital | FIN | |
| 13 (3508) | Oslo University Hospital | NOR | |
|
