1. Planning, Evaluation and Management Service, General Directorate of Health; Government of Navarre; Calle Irunlarrea 3 (Pabellón Docencia del Hospital de Navarra) 31008 Pamplona Navarre Spain
2. Subdirectorate of Pharmacy; Navarre Regional Health Service; Plaza de la Paz s/n 31002 Pamplona Navarre Spain
3. Rollins School of Public Health; Emory University; 1518 Clifton Road, NE Atlanta GA 30322 USA