1. The University of Queensland; Discipline of General Practice, School of Medicine; Building 16/910 Royal Brisbane and Women's Hospital Brisbane Queensland Australia 4029
2. Ghent University; Department of Family Medicine and Primary Health Care; De Pintelaan 185 UZ 1K3 Ghent Belgium B-9000
3. Bond University; Centre for Research in Evidence-Based Practice (CREBP); Gold Coast Queensland Australia 4229