1. Research Department; Instituto Universitario Hospital Italiano; Buenos Aires Argentina
2. Argentine Cochrane Centre; Instituto Universitario Hospital Italiano; Buenos Aires Argentina
3. Argentine Cochrane Centre; Institute for Clinical Effectiveness and Health Policy (IECS-CONICET); Buenos Aires Argentina
4. Biblioteca Central; Instituto Universitario Hospital Italiano; Buenos Aires Argentina
5. Family and Community Medicine Service; Hospital Italiano de Buenos Aires; Buenos Aires Argentina
6. Pediatric Neurosurgery Service; Hospital Italiano de Buenos Aires; Buenos Aires Argentina