1. Department of Clinical Epidemiology, McMaster University; Health Information Research Unit (HIRU); CRL-139 1280 Main Street West Hamilton ON Canada L8S 4K1
2. CHU de Quebec, St-Sacrement Hospital; Research Center of the Centre d'excellence sur le vieillissement de Quebec; Quebec City QC Canada G1L 3L5
3. Population Health and Optimal Health Practices Research Axis, CHU de Québec Research Center, Université Laval; 10 Rue de l'Espinay, D6-727 Québec City Québec Canada G1L 3L5
4. Ottawa Hospital Research Institute; Clinical Epidemiology Program; The Ottawa Hospital - General Campus 501 Smyth Road, Box 711 Ottawa ON Canada K1H 8L6
5. Centre de Recherche du CHU de Québec (CRCHUQ) - Hôpital St-François d'Assise; 10 Rue de l'Espinay, D6-727 Québec City QC Canada G1L 3L5
6. Information Specialist, Consultant; Ottawa Ontario Canada
7. Li Ka Shing Knowledge Institute, St. Michael's Hospital; Institute of Health Policy, Management and Evaluation, University of Toronto; Toronto ON Canada
8. St-François d'Assise Hospital; Research Centre of the CHU de Quebec; Québec City QC Canada
9. University of Washington School of Medicine; Department of Medical Education & Biomedical Informatics; E-312 Health Sciences Box 357240 Seattle WA USA 98195-7240
10. University of Alberta; Department of Agricultural, Food and Nutritional Science and The Centre for Health Promotion Studies; 4-10 Agricultural and Forestry Centre Edmonton AB Canada T6H 4J1
11. Traumatologie - Urgence - Soins Intensifs; Centre de recherche du CHU de Québec, Axe Santé des populations - Pratiques optimales en santé; 10 Rue de l'Espinay, D6-727 Québec QC Canada G1L 3L5