1. Argentine Cochrane Centre; Institute for Clinical Effectiveness and Health Policy (IECS-CONICET); Buenos Aires Argentina
2. Quality and Patient Safety; Institute for Clinical Effectiveness and Health Policy; Buenos Aires Argentina
3. Quality of Health Care and Patient Safety; Institute for Clinical Effectiveness and Health Policy (IECS); Buenos Aires Argentina
4. Health Technology Assessment and Health Economics Department; Institute for Clinical Effectiveness and Health Policy (IECS); Ciudad Autónoma de Buenos Aires Argentina
5. Family and Community Medicine Service; Hospital Italiano de Buenos Aires; Buenos Aires Argentina
6. Department of Urology; Universidad del Valle; Cali Colombia
7. Instituto de Efectividad Clínica y Sanitaria (IECS); Ciudad Autónoma de Buenos Aires Argentina
8. Quality and Patient Safety; Austral University Hospital; Buenos Aires Argentina
9. Urgencias � Calidad y Seguridad de pacientes; Consorcio Sanitario de Terrassa; Barcelona Spain
10. Norwegian Institute of Public Health; Oslo Norway
11. Quality and Safety in Health Care; Institute for Clinical Effectiveness and Health Policy (IECS); Buenos Aires Argentina