1. Institute of Regional Health Sciences, University of Southern Denmark, Esbjerg, Denmark
2. Research Unit of Clinical Pharmacology and Pharmacy, University of Southern Denmark, Odense C, Denmark
3. Hospital Pharmacy of Funen, Odense University Hospital, Solfaldsvej 38, 5000 Odense C, Denmark
4. WHO Collaborating Centre for Research and Training in the Patient Perspective on Medicines Use, University of Copenhagen, Copenhagen Ø, Denmark