1. Telemark Hospital, Skien, Norway
2. University of Oslo, Institute of Clinical Medicine, Oslo, Norway
3. Oslo University Hospital, Oslo, Norway
4. University of Oslo, Institute of Health and Society, Oslo, Norway
5. Frontier Science Boston, Boston, Massachusetts, United States
6. Telemark Hospital Notodden, Notodden, Norway
7. Drammen Hospital, Drammen, Norway
8. Sørlandet Hospital, Kristiansand, Norway
9. Telemark Hospital Kragerø, Kragerø, Norway
10. Østfold Hospital, Grålum, Norway
11. Vestfold Hospital, Tønsberg, Norway