| 1 (284) | National Institute for Health and Welfare | FIN |  |
| 2 (1462) | Danish Cancer Society | DNK | |
| 2 (1462) | Norwegian Institute of Public Health | NOR | |
| 4 (2005) | European Centre for Disease Prevention and Control | SWE | |
| 4 (2005) | Finnish Institute Occupational Health | FIN | |
| 4 (2005) | Folkhalsan | FIN | |
| 4 (2005) | Helsinki University Central Hospital | FIN | |
| 4 (2005) | Oslo University Hospital | NOR | |
| 9 (2984) | Aalborg University Hospital | DNK | |
| 9 (2984) | Akershus University Hospital | NOR | |
| 9 (2984) | Copenhagen University Hospital | DNK | |
| 9 (2984) | Haukeland University Hospital | NOR | |
| 9 (2984) | Institute for Molecular Medicine | FIN | |
| 9 (2984) | Karolinska University Hospital | SWE | |
| 9 (2984) | Kuopio University Hospital | FIN | |
| 9 (2984) | Landspitali National University Hospital | ISL | |
| 9 (2984) | Odense University Hospital | DNK | |
| 9 (2984) | Orebro University Hospital | SWE | |
| 9 (2984) | Oulu University Hospital | FIN | |
| 9 (2984) | Sahlgrenska University Hospital | SWE | |
| 9 (2984) | Skane University Hospital | SWE | |
| 9 (2984) | St. Olavs University Hospital | NOR | |
| 9 (2984) | Statens Serum Institut | DNK | |
| 9 (2984) | Stavanger University Hospital | NOR | |
| 9 (2984) | Steno Diabetes Center | DNK | |
| 9 (2984) | Tampere University Hospital | FIN | |
| 9 (2984) | Turku PET Centre | FIN | |
| 9 (2984) | Turku University Hospital | FIN | |
| 9 (2984) | University Hospital of Northern Norway | NOR | |
| 9 (2984) | Uppsala University Hospital | SWE | |
|
