1. Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health, The University of Manchester; Cochrane Oral Health; Coupland Building 3 Oxford Road Manchester UK M13 9PL
2. School of Medicine, University of Split; Cochrane Croatia; Soltanska 2 Split Splitsko-dalmatinska County Croatia 21 000
3. Catholic University of Croatia; Center for Evidence-Based Medicine and Health Care; Ilica 242 Zagreb Croatia 10000
4. RCS England; Faculty of General Dental Practice (UK); 35-43 Lincoln's Inn Fields London UK WC2A 3PE
5. MTI Community College; Healthcare Faculty; Suite 200 4980 Kingsway Burnaby BC Canada V5H 4K7
6. Dundee Dental School, University of Dundee; Division of Oral Health Sciences; Park Place Dundee Scotland UK DD1 4HR