1. Centre for Evidence‐Based Practice Belgian Red Cross Mechelen Belgium
2. Cochrane Belgium Belgian Centre for Evidence‐Based Medicine (Cebam) Leuven Belgium
3. Faculty of Medicine and Health Sciences Ghent University Ghent Belgium
4. Blood Services Belgian Red Cross Mechelen Belgium
5. Department of Public Health and Primary Care Faculty of Medicine KU Leuven Leuven Belgium
6. Belgian Red Cross Mechelen Belgium