1. The University of Queensland; Primary Care Clinical Unit, Faculty of Medicine; Brisbane Queensland Australia 4029
2. Bond University; Centre for Research in Evidence-Based Practice (CREBP); University Drive Gold Coast Queensland Australia 4229
3. The University of Queensland; Faculty of Science; Brisbane Queensland Australia
4. The University of Queensland; The Ochsner Clinical School; 1401A Jefferson Highway New Orleans LA USA 70121
5. Ghent University; Department of Family Medicine and Primary Health Care; Campus UZ 6K3, Corneel Heymanslaan 10 Ghent Belgium 9000