1. Odense University Hospital; Centre for Evidence-Based Medicine Odense (CEBMO); Kløvervaenget 10, 13. Floor Odense Denmark 5000
2. University of Southern Denmark; Department of Clinical Research; Odense Denmark
3. Odense University Hospital; Open Patient data Explorative Network (OPEN); Odense Denmark
4. Rigshospitalet; Nordic Cochrane Centre; Blegdamsvej 9 Copenhagen Denmark 2200
5. Hvidovre Hospital; Department of Infectious Diseases; Kettegård Allé 30 Hvidovre Denmark 2650