| 1 (205) | Copenhagen University Hospital | DNK |  |
| 2 (323) | Statens Serum Institut | DNK | |
| 3 (457) | Karolinska University Hospital | SWE | |
| 4 (570) | Oslo University Hospital | NOR | |
| 5 (595) | European Centre for Disease Prevention and Control | SWE | |
| 6 (624) | World Health Organization, Denmark | DNK | |
| 7 (678) | Aarhus University Hospital | DNK | |
| 8 (782) | Helsinki University Central Hospital | FIN | |
| 9 (846) | Norwegian Institute of Public Health | NOR | |
| 10 (959) | Skane University Hospital | SWE | |
| 11 (1091) | Public Health Agency of Sweden | SWE | |
| 12 (1114) | St. Olavs University Hospital | NOR | |
| 13 (1123) | National Institute for Health and Welfare | FIN | |
| 14 (1187) | Haukeland University Hospital | NOR | |
| 15 (1266) | Odense University Hospital | DNK | |
| 16 (1427) | Akershus University Hospital | NOR | |
| 17 (1599) | University Hospital of Northern Norway | NOR | |
| 18 (1684) | Uppsala University Hospital | SWE | |
| 19 (1726) | Sahlgrenska University Hospital | SWE | |
| 20 (1844) | Aalborg University Hospital | DNK | |
| 21 (2075) | Turku University Hospital | FIN | |
| 22 (2394) | Tampere University Hospital | FIN | |
| 23 (2429) | Zealand University Hospital | DNK | |
|
