1. Drug Prescribing Service; Navarre Health Service; Pamplona Spain
2. Department of Preventive Medicine and Public Health; University of the Basque Country; Leioa Spain
3. Unit of Innovation and Organization; Navarre Health Service; Pamplona Spain
4. Hospital Regional Malaga; Sistema Andaluz de Salud; Malaga Spain
5. Iberoamerican Cochrane Centre, Biomedical Research Institute Sant Pau (IIB Sant Pau); CIBER Epidemiología y Salud Pública (CIBERESP); Barcelona Spain
6. Medicines Advice and Information Service; Navarre Health Service; Pamplona Spain