1. Department of Adult Nursing; School of Nursing; University of Navarre; Pamplona Spain
2. Department of Neurology; Clínica Universidad de Navarra; University of Navarre; Pamplona Spain
3. Department of Social Work; Public University of Navarre; Pamplona Spain
4. Parkinson Association of Navarre; Pamplona Spain
5. San Juan Primary Health Centre; Pamplona Spain
6. Law Department; La Rioja University; Logroño Spain