1. Ghent University; Department of General Practice and Primary Health Care; De Pintelaan 185 UZ 1K3 Ghent Belgium B-9000
2. Ghent University; Heymans Institute of Pharmacology; Ghent Belgium
3. The University of Queensland; Discipline of General Practice, School of Medicine; Brisbane Queensland Australia
4. Bond University; Faculty of Health Sciences and Medicine; University Drive Gold Coast QLD Australia 4229
5. Ribiski trg 10 Koper Slovenia 6000