1. Rigshospitalet, University of Copenhagen Glostrup Hospital, University of Copenhagen Gentofte Hospital, and University of Copenhagen; Copenhagen Denmark
2. Charité Universitätsmedizin Berlin, Campus Benjamin Franklin; Berlin Germany
3. Rigshospitalet, University of Copenhagen Glostrup Hospital and University of Copenhagen; Copenhagen Denmark
4. Sygehus Lillebaelt, Vejle, and Aarhus University Hospital; Noerrebrogade Aarhus Denmark
5. University of Copenhagen Gentofte Hospital and University of Copenhagen; Copenhagen Denmark
6. Bispebjerg and Frederiksberg Hospital and University of Copenhagen; Copenhagen Denmark
7. King Christian 10th Hospital for Rheumatic Diseases; Graasten Denmark
8. Nordsjaellands Hospital, Hillerød, and University of Copenhagen; Copenhagen Denmark
9. Slagelse Hospital; Slagelse Denmark
10. University of Copenhagen Herlev Hospital; Herlev Denmark
11. Aarhus University Hospital; Noerrebrogade Aarhus Denmark
12. University of Alberta; Edmonton Alberta Canada