1. Norwegian Institute of Public Health; The Norwegian Knowledge Centre for the Health Services; Pilestredet Park 7 Oslo Norway 0176
2. European Hospital Georges Pompidou and Paris Descartes University; Department of IT and Public Health; 20-40 Rue leBlanc Paris France 75908
3. University of Oxford; Nuffield Department of Primary Care Health Sciences; Radcliffe Observatory Quarter, Walton Street Oxford UK OX2 6GG
4. Parc Sanitari Pere Virgili and Universitat Autònoma de Barcelona; Department of Healthcare/Medicine; c Esteve Terrades 30 Barcelona Spain 08023
5. University of Oxford; Nuffield Department of Population Health; Rosemary Rue Building, Old Road Campus Headington Oxford Oxfordshire UK OX3 7LF