| 1 (291) | Karolinska University Hospital | SWE |  | |
| 2 (586) | Skane University Hospital | SWE | | |
| 3 (656) | Sahlgrenska University Hospital | SWE | | |
| 4 (813) | Uppsala University Hospital | SWE | | |
| 5 (1105) | Swedish Institute for Infectious Disease Control | SWE | | |
| 6 (1124) | Orebro University Hospital | SWE | | |
| 7 (1618) | Linkoping University Hospital | SWE | | |
| 8 (3261) | European Centre for Disease Prevention and Control | SWE | |
