| 1 (1462) | Norwegian Institute of Public Health | NOR |  | |
| 2 (2005) | Oslo University Hospital | NOR | | |
| 3 (2984) | Akershus University Hospital | NOR | | |
| 3 (2984) | Haukeland University Hospital | NOR | | |
| 3 (2984) | St. Olavs University Hospital | NOR | | |
| 3 (2984) | Stavanger University Hospital | NOR | | |
| 3 (2984) | University Hospital of Northern Norway | NOR | |
