1. Medical Center - University of Freiburg; German Cochrane Centre; Berliner Allee 29 Freiburg Germany 79110
2. Medical Center - University of Freiburg; Center for Medical Biometry and Medical Informatics; Stefan-Meier-Str. 26 Freiburg Germany 79104
3. University of Liverpool; Liverpool Reviews & Implementation Group; 2nd Floor, Sherrington Buildings Ashton Street Liverpool UK L69 3GE
4. University Medical Center Freiburg; Pediatric Hematology & Oncology, Center for Pediatrics & Adolescent Medicine; Mathildenstrasse 1 Freiburg Germany 79106
5. University Hospital Zurich; Department of Neonatology; Frauenklinikstrasse 10 Zurich Switzerland